Rhs bbc heads Looking to make around 675 hp and 650 ft-lb of torque. RHS are Top Line heads. Racing Head Service offers bare or assembled Pro Action BBC 24-degree cylinder heads with either 320cc or 360cc intake runners; both feature 119cc combustion chambers. 590-inch exhaust valves. 530 bore, 52 cc dome piston and what i'm looking for is a as cast iron head to put on this engine. Mar 22, 2019 · What centerline length do you guys use for the "good" and "bad" ports of BBC heads? (I have a pair in my garage, but I'm at work and I'd like to run some numbers at lunch. Combo is 468 with tunnel ram on E85 runs 9. If RHS was still getting their aluminum heads out of New Zealand, from the company that cast these iron heads, then why did RHS drop the iron head line? Make sense? I have seen these iron BBC heads, and they are NICE! 1200. Pro-Filer BBC Cyl Heads 290-320-355-370-375cc Bare-Assembled, As Cast or CNC Ported 290cc – 320cc w/CNC Chambers, BARE from $3098 Jun 20, 2010 · First rate performance, progressive engineering and unmatched quality are the foundations of the RHS Pro Action 24 degree aluminum cylinder heads. Fatman Guru Posts: 1081 Joined: Fri Sep 10, 2004 12:30 pm Find many great new & used options and get the best deals for Pair RHS 11301 24-degree Pro Action Cast Iron Cylinder Heads Big Block Chevy at the best online prices at eBay! Free shipping for many products! Mar 16, 2009 · Our Freedom Series heads have started a revolution in the performance world. 250"+. Both of those heads suprised me. 8-350 The only heads I ported on were the RHS 320cc and the GM 820. com FREE DELIVERY possible on eligible purchases Jul 23, 2009 · i believe pro topline became pro action which were around for a while , but qaulity control and supply from new zealand became a problem, last i know they were bout by rhs racing and thats what they atre now after the plant had been shut down and resold a few times, they were a good head, but they need to be double checked by a real machine shop before install, ive seen a lot of guides to AFR's 335cc BBC Enforcer Cylinder heads feature our Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. 880 Ferrea Intake Valves Standard (Upgrades Available) PAC Springs (. 500 lift. Your 470" rule isn't a problem IMO, the 320s are best to start with, titanium valves are also a must for that rpms (piece of mind) plus you can do more with the camshaft Feb 6, 2010 · This is one of my test heads 2. General engine tech -- Drag Racing to Circle Track. heads. 08 intake valve was a killer circle track engine head. A common hand ported set of heads is not going to be optimized since the head porter doesn't have the time to do it right. valves, I'm having trouble with the long (good) ports stalling when going past . RHS can go just about any way or power level you could want. Moderator: Team. Apr 24, 2009 · RHS BBC 360cc Pro Action Heads. MaxRace Software Sep 22, 2017 · Most newer 24 degree factory CNC BBC heads have 2. The RHS 11011-2 heads cost $3000 and the Edelbrock Victor Jr 77475 are $3200 here in OZ. 350" a benefit? What is the better of them under $3500 bare? 320cc Intake Runners & 119cc Chambers 2. First-rate performance, progressive engineering and unmatched quality are the foundations of the Pro Action head series. 6- 355 335 235. I would never own either, unless I was building a small street piece that didn't need killer heads. We kinda get screwed by the tax man down here. If you are very serious the 320's need a lot of work, but are worth it. Jan 20, 2013 · Hi, Putting a set of RHS #12317 heads on a friends sbc. They go real good with a little work and can make big power with lots of work. 00. BBC 24° Sniper; BBC 24° 355cc CNC Sniper X; BBC 24° 375cc CNC Sniper X; BBC 24° CNC Sniper XL; BBC 20° CNC Hellfire; BBC 12° Hitman; BBC 12° CNC Hitman X; DRCE II 4. The 360 heads will make good power and run well with a little work. Engine is a 540, 10:1, Straub solid roller, 6000-6200 rpm, Vic Jr with either HP950 or 1000. I have a 3 pairs of EQ 320cc irons here right now. Chevy High Performance used these to build their 675 hp 496. 39 CSA of pinch 4. All flow numbers for Sabre Heads come from their Web Site. It is the same exact head RHS use to sell. The others were ported by customers. 300x1. "There was another thread about the RHS heads a while back. Jan 2, 2010 · Patriot’s Freedom Series heads meet the demands of the BBC world, while keeping the quality high and the price reasonable. 750 lift. 9 BS; Small Block Ford; Big Block Ford. 7-337. These heads may well provide enough air flow with a little reworking and actually be better than a large runner head in some cases. Personally I would go either Flotek/Promaxx 315/317's. Sep 24, 2018 · The ported heads provide a much smoother travel surface for your air/fuel mixture and the porting feature could add up to an additional 40hp. 3-230 RHS BBC heads. Are you looking for torque or horsepower, or the best combination of them both? Sep 21, 2017 · I've used many RHS BBC heads, they work well. Dec 19, 2011 · However when I get this on the dyno I am going to make a head swap to see what will happen. 303 GM 990 BBC cast-iron Good-Port in ported shape rhs cylinder heads. I have a shortblock, big m block, 3. I wanted to build it using aluminum heads. 5° Small Block Chevrolet Compatible Heads Menu Toggle. The first one is the assembled Merlin oval port cast iron head, with a 269cc intake volume, a 119cc combustion chamber, 2. 310 bore. These BBC 24-degree aluminum heads feature multi-angle intake and radiused exhaust valve seats for up to 5% more airflow and increased horsepower. 868 Exh=3. Very nice heads Find Parts and Accessories bbc heads KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! Summit Racing SpeedCard - learn how to get 10% back up to $100 Vehicle/Engine Search Vehicle/Engine Search Make/Model Search I have in my shop a 565 BBC with RHS 320 heads that were cnc ported by an engine builder that I will not name, he is a reputable builder. Winning performance, superior engineering and unmatched quality are the foundation of RHS's legacy and the 24-degree Thunder BB-Chevy heads have all of that and more. Mar 11, 2010 · The only heads I ported on were the RHS 320cc and the GM 820. lbs. Apr 3, 2005 · The foundry was purchased by Comp Cams and will be returning under the old RHS head service connected to Comp years back. We have custom designed a head to meet the demands of the BBC world, while keeping the quality high and the price reasonable. The RHS had a much Feb 3, 2015 · Eq/RHS BBc 320 iron heads Jump to Latest 6. All flow numbers for Ron's Porting Service heads come from their Web Site updated Aug. ARP 134-3601 SBC Cylinder Head Bolts Flo-Tek 102505 Assembled SBC Aluminum Cylinder Heads/Install Kit Oct 29, 2009 · I was thinking about the RHS 320s to go on a friends 540". RHS quit making iron heads and EQ got the molds. It features raised oval intake ports, 55-degree seat angles, copper/beryllium valve seats, and 483- cc intake ports with 68-cc combustion chambers. Aug 14, 2014 · Brodix 383 Head Hunter head with large oval intake ports. 650" lift at the best online prices at eBay! Free shipping for many products! May 8, 2009 · This is one of my test heads 2. The runners are large, at 360cc. Dec 7, 2015 · Head Solid Bar Design 7/16"4012 265-400 Brodix Pontiac Solid Bar Design, 40/60 Stud Spacing 7/16"4021 396-454 Solid Bar Design Standard Stud Spacing, Brodix-2 7/16"FORD4013 289-302, 351W Standard Head 3/8"4014 289-302, 351W Standard Head 7/16"4015 289-302, 351W RHS ® Pro Action or Motorsport Aluminum Head 7/16"4016 351W Boss, Motorsport RHS BBC heads. Mar 4, 2013 · This is the "so called new" EQ BBC head. At what engine displacement and RPM is the 2. Just yesterday tested BBC iron heads #224-19000-360. I have built 482" big block Chevys with stock, 781 oval port heads and made from 700 to 750 HP, and over 650# feet of torque. Quite a different intake port design. A few 24 degree CNC have 2. 20's. porting, valves, springs, milling, valve job, etc) you'll end up spending at least $1500+ at the end and end up with a set of heads that's no where near the fully optimized CNC set of heads. Jan 31, 2019 · Swap Shop - Engine Quest 320 BBC Heads (Pro Topline/RHS) - Bought these and can't find anybody to assemble them here in SoCal that's fairly priced and I trust to do the work correctly. I have a set of castings in stock I could build Application: Chevrolet Big Block, RHS 320/360 Heads Rocker Arm Material: Aluminum Rocker Arm Style: Roller Tip Rocker Arm Ratio: 1. I bought the heads bare and had my engine builder put in Ferrea titanium 2. '12. I will Mar 26, 2021 · Mark, the best would be RHS 320's for a USA castings. Valve Sizes Angled Spark Plug Holes Single Aluminium Head Pro Action™ Big Block Chevy Aluminium Heads First-rate performance, progressive engineering and unmatched quality are the foundations of the Pro Action™ head series, and the RHS® BBC heads fea Get the Best Performance with COMP Cams Ultra-Gold Stud Girdles Chevy Big Block 396-454 4035-B parts at JEGS. He has Merlin heads on it now and wants to get alluminum heads. Dart’s go-to head for bracket engines is the Dart 360 “Big M” that is available in a number of runner sizes. Mar 6, 2020 · I believe "most" of the old Texas Pro Stockers were around 580 inches. Jan 9, 2016 · I currently run grumpy Jenkins oval ports but theres a few things I don't like about the heads I have so im looking at buying a new set of heads. 600" Lift 360cc Intake Runners & 119cc Chambers 2. 800". It will be interesting to see which does better. The 320 head is the preferred starting point for serious builds. Pro Comp heads are useless junk an make zero power, Patriot heads are a little better. Hopefully they will not have production issues like RHS did when the took on the topline head deal. The cast iron 230 with a 2. 880" EX. I have a bbc 496+cubes and have seen some decent iron heads for sale. First-rate performance, progressive engineering and unmatched quality are the foundations of the Pro Action™ head series. Fully assembled and a tremendous performer for Big Block Chevy street, drag race and powerboat applications. 325" intake valves when utilizing a factory block? note: I need a minimum of 450cfm Dec 27, 2017 · but one factor on a bbc engine is weight, a iron head weights close to 74 lbs , aluminum heads tend to be 20-30 plus lb lighter in weight each, so saving 40 lbs -60 lbs off the front of the car plus another 5-7 lbs for an aluminum water pump and another 20-25 plus lbs with an aluminum intake makes a great deal of difference in total engine Nov 20, 2010 · I have a set of RHS 320cc heads on my 511" BBC that replaced a set of Brodix BB-2 plus'. Capable of making up to 1000 horsepower, Pro Action™ BBC Cylinder Heads provide you with more features, better flowchart numbers and superior “as cast” finished quality. CNC Ported Big Block Chevy heads, Assembled. Comp Cams was started in the same building as RHS with just one grinding machine. 1800351351 **Free Freight on orders over $200** Big Block Chevy Pistons & Rings Big Block Chevy BBC Water 73 results for: "RHS Cylinder Head" Items Per Page: Sort By: 1 2 3 . 300" intake valves. ARP | #1011343601. 2-156. I have a set of castings in stock I could build Howards, Maximum Effort Stud Girdles, Chev BB, 7/16" Dart Pro1/320/360, Brodix, Canfield, AFR, Pro Topline, World: In Stock Jul 4, 2023 · RHS - Racing Head Service, Memphis, Tennessee. Sep 1, 2009 · RHS Cylinder Heads RHS’s Kevin Feeney echoes what other experts have said about selecting BBC cylinder heads – the first step is to determine what your customer is trying to accomplish with the engine: torque/hp or the best combination of the two. Shop Now at the Guaranteed Lowest Price! Oct 2, 2008 · Merlin Cast Iron 269cc BBC Cylinder Head, Merlin III Cast Iron 320cc BBC Cylinder Head World has a couple of BB heads that are perfect for the budget builder. ) These are from Larry Meaux / MaxRaceSoftware Int=5. 25's they would come with. 4150 carb, 75-8500 rpm truck pull motor Mar 7, 2005 · Hell Abbott he said the RHS are some of the best 24 deg heads: "The RHS 320 heads are still some of the best 24 degree heads out there. For the price its a too good to be true deal so I will call monday and get some more info. I have in my shop a 565 BBC with RHS 320 heads that were cnc ported by an engine builder that I will not name, he is a reputable builder. Makes getting "up-on-plane" with the boat somewhat easier! Jan 29, 2010 · I just flowed a RHS 320 iron head that I have ported for a truck pull engine. A set of fully CNC'ed AFR 335 BBC heads #2001 would work good for you IMO. These are definitely for the serious street/strip car, and a pair will cost you $2,400. Valve Sizes Angled Spark Plug Holes Single Aluminum Head Pro Action Big Block Chevy Aluminum Heads First-rate performance, progressive engineering and unmatched quality are the foundations of the Pro Action head series, and the RHS BBC heads feature all Jan 19, 2007 · Performance Warehouse in Bristol, Tn is selling these as Canfield and RHS cylinder heads. 2-157. May 10, 2010 · When RHS says that there's 1,000 horsepower potential from their Pro Elite heads for the BBC, we believe them - our best result was an amazing 883 horsepower and 758 foot-pounds of torque, on pump gas no less, and with no need for exotic valvetrain components to let the engine spin to the moon. RHS ™ BBC heads are a tremendous performer for Chevy Big Block-powered street, drag race and powerboat applications. I thouht the heads would be too small for a 582, turned out with numbers I am very happy with for a street/strip motor. They feature 260cc ports and 96cc chambers, with 2. 1-74. 750" Lift 320cc Intake Runners & 119cc Chambers 2. There are several heads out there for around the 1500 dollar mark. 30" intake valves instead of the 2. May 26, 2019 · Hell Abbott he said the RHS are some of the best 24 deg heads: "The RHS 320 heads are still some of the best 24 degree heads out there. Official Release: New RHS 24-Degree Aluminum Intake Manifolds for BBC Applications are proven to outperform competing products on the market. RHS/Pro Topline are affiliated with neither, and their heads actually make power. 4- 246 238 190. They gave me permission to post. 0- 386 375 273 Nov 29, 2015 · They have the most potential. thanks for the input. 500 May 3, 2016 · The RHS™ BBC 24-Degree CNC-Ported Aluminum Cylinder Heads are available with either a 339cc or 376cc runner volume and a 121cc combustion chamber and are designed using the RHS™ exclusive Clean Cast™ Technology to deliver superior port-to-chamber transitions for greater airflow. I remember dealing with the original Racing Head Service company in Memphis. In addition, the RHS™ BBC head is available in aluminum or a cast iron version for racers that run “iron only” classes. Racing Head Service produces high performance heads, intakes valve covers and blocks. Brodix race rites have eight bolts same with edelbrock RPM/chevrolet performance not sure if afr 265 has but think they do. 325 Ti in. Fatman Guru Posts: 1081 Joined: Fri Sep 10, 2004 12:30 pm I have in my shop a 565 BBC with RHS 320 heads that were cnc ported by an engine builder that I will not name, he is a reputable builder. Here is what it flowed on a 4. Feb 27, 2019 · Some bbc alu heads only have six intake bolts same with some intakes. 00 a pair assembled, with pretty decend Jan 18, 2018 · These fully assembled Pro Action heads from RHS, come with valvetrain components for use with hydraulic-roller cams delivering lift numbers up to . 335 intake valve, 1. . 880" + . 4-273. Description Description Call for First-rate performance, progressive engineering and unmatched quality are the foundations of the Pro Action head series. 250" Long Intake Valves & 1. Feb 25, 2010 · I just flowed an RHS aluminum 360cc head right out of the box. Norm at Ultra Tech just did some chamber work and bowl blending. Tick Performance is proud to be a warehouse distributor for the entire RHS product line! If you don't see what you're looking for here, please contact our friendly sales staff either by phone or email for assistance. If you know someone let me know, otherwise there up for sale for what I have in them $860 These fit markIV, gen 5 & gen 6 with the Fully Assembled w/ COMP Cams Components For Solid Roller Cams Up To . 3% 106%bowl CSA over shortside 4. Aug 15, 2012 · Anyone ever use RHS 320's? My friend is thinking about getting a set for his 67 nova chassis car. 250" + . Flo-Tek 203505 Small Block Ford Aluminum Cylinder Head (44) Cylinder Head Style: Assembled. 700 lift for 1200-1700 dollars a set depending on spring packages and machine work. 25/1. rhs pro action cylinder heads. This budget friendly head is perfect for your 509 to 540 Cubic Inch operating below 6500 RPM. 030. 6%bowl CSA over shortside 3. Was one of the best unported heads ever completed. The 360 head has material missing in the wrong places for my tastes. Valve Sizes Angled Spark Plug Holes Single Aluminum Head Pro Action Big Block Chevy Aluminum Heads First-rate performance, progressive engineering and unmatched quality are the foundations of the Pro Action head series, and the RHS BBC heads feature all Fully Assembled w/ COMP Cams Components For Hydraulic Roller Cams Up To . 3-207 171. I am about to take legal action to get them replaced with Canfield or RHS heads, any help will greatly appreciated. Pro Elite Big Block Chevy Aluminum Heads Increased airflow and efficiency are most essential for those drag racing and marine applications looking for the biggest possible gains in horsepower and torque. 880"+. I even got ARP head bolts and pushrods. Here is what some stock RHS 320cc head flowed on my bench. They are gasket matched to Fel-Pro 1275, runners and bowls blended, Nextex springs-221425p, titanium retainers and T&D 1. Valve Sizes Angled Spark Plug Holes Single Aluminum Head Pro Action Big Block Chevy Aluminum Heads First-rate performance, progressive engineering and unmatched quality are the foundations of the Pro Action head series, and the RHS BBC heads feature Behrent’s Performance Warehouse. I've got some "coated" Aluminum heads on the "drawing board" for him. The 320 casting is the head to start with in all builds. 82 exhaust valve, The good runner went 469 at . Mike Stark at CFM Performance in Indianapolis ported mine for $800 then I took them to Brad West in Arkadelphia, Arkansas and had Titanium 2. 6% throat 103. So far I found 7 other people locally that got the same heads as mine as RHS heads. Last weekend I found a super good deal on some mint, fully assembled RHS Pro Topline 320 heads. I was extremely happy with how the AFR head did and the 702 head. They are 23 degree,64 cc, straight plug heads. COMP Cams 11001-03 Jan 25, 2011 · I have in my shop a 565 BBC with RHS 320 heads that were cnc ported by an engine builder that I will not name, he is a reputable builder. Chevy Big Block Heads. To take full advantage of the airflow offered by the RHS aluminum heads, we LS Compatible Heads Menu Toggle. reed][/quote] Nov 29, 2010 · Please advise your suggestions for a decent out of the box Aluminum cylinder head for this combination. 250" intakes, 1. 750" Lift 360cc Intake Runners & 119cc Chambers 2. "Slick Rick" mentioned that Abbott racing heads in Texas knew and did alot of these RHS heads. The end result is a competition-ready cylinder head that features race-winning technology right out of the box. 70 Self-Aligning: No Rocker Arm Mounting Style: Shaft Stud Size: NA Roller Tip: Yes Roller Trunnion (Body): Yes Rocker Arm Nut Included: NA Rocker Pivot Balls Included: No Rocker Arm Finish: Natural the RHS™ legacy and the 24º RHS ™ Big Block Chevy heads have all of that and more. Features a 69cc combustion chamber available bare or fully assembled. I had some 320 size ones. 900 Lift) Titanium Retainers Heat Treated Locks Heat Treated Spring Seats 120CC Chambers 4. Jun 23, 2009 · Buy COMP Cams 4035-B Stud Girdle Bar (Bbc Rhs Headgold (1): Camshafts & Parts - Amazon. 165-1. I will make sure that pro topline is cast into the head also. I have lots of experience with those heads, aluminum and iron. Innovative cast iron design w/ race-inspired features Delivers maximum airflow for RHS Cylinder Head Parts Kits 11120-01B Cylinder Head Components, Valves, Springs, Retainers, Locks, Studs, Guideplates, RHS 320, Chevy, Big Block, Kit Part Number: RHS-11120-01B May 1, 2010 · Brass head bolt tubes allow room for these super-wide intake ports that would normally interfere with the head bolts. 100" Long Exhaust Valves Angled Spark Plug Holes Single Aluminum Head Application: 468-540c. No port job besides the Bowtie head is anything more than the bowl. These intakes are designed for maximum airflow and power with a 4500 Dominator-style carburetor flange. Fatman Guru Posts: 1081 Joined: Fri Sep 10, 2004 12:30 pm Aug 18, 2018 · flotek the gt40 based heads, not really a fan of the head it was based off of since I had an set of X heads years ago. RHS Castings 24* Valve angle Raised Intake and Exhaust Ports Extra Thick Deck 2. Give Mike or Brad a call and ask about those heads. 88 INT. 35 Short 87. Just trying to find a recommended plug for his setup. RHS service has no idea how good they were. Since they are taking up the slack in the market when it comes to iron heads has anyone compared the Chrysler Magmun head to the now extinct RHS INDY X head. Our BBC heads come as cast with a 320cc intake runner, US made bronze guides, and our 5 angle valve job. 2. 8- 378 360 261. Categories: Chevy Big Block Heads, Cylinder Heads. They are equipped with 1. Jul 21, 2011 · They were a good head. Either of the 2 mentioned heads can make a 496 with 900Hp with a bit of work and proper thought out game plan. 9- 386 368 268 1. They will outdo the worked 360 heads. Jun 25, 2008 · When you get into 502 bore 4. 8 rockers.   Perfect for fast bracket cars. FEATURES INCLUDE: Jan 30, 2016 · [quoteI have 2 sets of the cast iron raised runner heads--one set as cast and one set as cast with CNC chamber. Mar 7, 2013 · I charge $700 for cast iron bbc heads on a complete port job unless it something that is going to take a ton of grinding then I charge more, $160 for the valve job and $30 for back cuts on valves and $90 to mill both heads up to . Dart, Brodix, Profiler, RHS, Edelbrock all make them. 88 valves and 11/32 guides. @ 4500rpm. i. JMO New from RHS – the 24-Degree Aluminum Intake Manifolds for BBC Applications. 800-1. And you indeed are correct. Would this be a good head for him? The BBC head does look like a nice piece and a close cousin to the RHS head. I have some on pull trucks making over 1100 hp with the RHS iron heads. Patriot performance has a 320cc head that flows 365cfm @ . 8 posts • Page 1 of 1. 343" stems), 1. I know for sure that the lower HP heads like the 12402 and 12400 which are a 67cc and 76cc head went out of production last year and are not going to be made any more. IK® Series Cylinder Heads/23° Race-Rite® Small Block Series/23° Dragon Slayer Series Nov 25, 2023 · Good evening gentlemen, what are the best flowing bbc heads @2. Shop Summit Racing for RHS at low prices! Summit Racing SpeedCard - learn how to get 10% back up to $100 Nov 17, 2007 · That's unacceptible to my guys looking for some reasonable performance. Jul 13, 2012 · here is a barely related (both larger displacement BBC engines) build video keep in mind they are promoting aftermarket BBC heads for sale and they don,t mention, changes to compression, detail port work, mention the cam timing are much of any thing else, just that the engine made 880 hp with the heads used. Oct 25, 2008 · Patriot and Pro Comp are NOT the same. These heads are NOT cnc ported by RHS, those heads are here. Now I know flow numbers are not everything, but here is what he told me about these heads. Edelbrock and afr are ”roval”. Ford Performance COMP Cams Bbc 320 Alum Assem For Mech Roller. Flo-Tek | #7223000. Oct 2, 2008 · The Key to Finding the Right Cylinder Head RHS’ Product Manager Kevin Feeney summed up the process of finding the right set of heads for your BBC, “The first step is to determine what you are trying to accomplish with the engine. No other bbc heads in cast iron will keep up with them. 10/1 compression, comp cam 292 H, performer intake, 750 eldy carb. I am going to switch the head out for a Profilier that I am going to make huge. IIRC that's an EQ part number. e. 1-77 69. SBC Pro-Filer Wilson Single Plane; BBC Sniper Single Sep 14, 2010 · I like the RHS 360 head. However right now it only flows more at . Apr 6, 2012 · I have a low compression (8:1) 454 that I want to build for my ’70 El Camino SS. 350 valve for a customer of mine that has a 632bbc mudtruck. Sometimes a "Good deal" can really turn into a bad deal really fast. Call for Price. Your 496 would exceed your goals with a set of the RHS heads with a little work. Aug 18, 2008 · I have a set of the original (New Zeland) Pro Topline 320cc heads on a pump gas 582c. Oct 18, 2009 · This is the very first opportunity we've had to dyno a pair of pre-assembled RHS 320 BB heads, "as cast" (but read below**) directly from the vendor. Put them on 3 customers cars back in 03 and they finished 1,2,3 for the. Mar 15, 2011 · Looking to get some feedback on some out of the box bbc cast iron heads. BBC, made 780hp@6250 & 760ft. 1K views 22 replies 11 participants 320cc Intake Runners & 119cc Chambers 2. You can put 1500. 350" intake valve size. 88 valves installed. Fully Assembled w/ COMP Cams Components For Hydraulic Roller Cams Up To . Mar 16, 2011 · Here is what I got on the RHS heads Long 88. See more details below. When I purchased my set last spring (2012) and returned to the web-site a few weeks later, they had been dropped from the RHS catalog along with all of their cast iron heads. cast iron and Jan 1, 2013 · Then that head is digitized and repeated on thousands of castings just like a copy machine. Brodix Big Duke PB 1200 spread port head with 12-degree intake valve angles is fully CNC ported. points championship that year. Victor Pro-Port CNC heads are fully CNC ported versions of Victor heads if you’re looking for maximum power. Scooter Brothers was the engine builder then. RPC, Proheader, liberty etc, dart pro 1 based casting the SVE and promaxxx stuff looks like its based off the performer/ E street series heads. Feb 26, 2012 · It seems that RHS and EQ have stopped production on several different head designs. All flow numbers for RHS — Racing Head Service heads come from their Web Site updated Feb. Right know the heads are being cut to a 2. Capable of making up to 1000 horsepower, Pro Action BBC Free Shipping - RHS Pro Elite Big Block Chevrolet CNC-Ported Cylinder Heads with qualifying orders of $109. Apr 20, 2010 · It took a little work, but in the end, these are a very decent set of heads. All have raised exhaust ports. Intake and chamber were awesome, exhaust port needed ALOT of help and the cam needed an extra 4-6 degrees of exhaust duration over other If you try and start from scratch building up a set of heads (i. Capable of making up to 1000 horsepower, Pro Action BBC Cylinder Heads provide you with more features, better flow numbers and superior "as cast" finished quality. 76 stroke 4. Both ware as cast though the darts did have some machine work down into the bowl beyond the valve job. 7 roller rockers and stainless steel valves. ), titanium 10* retainers, 10 Sep 29, 2023 · The Pro Topline and RHS bbc heads are good heads. These will now be branded under the Edelbrock E-Street line. The Thunder heads are a tremendous performer for Chevy Big Block-powered street, drag race and powerboat applications. 600" Lift 320cc Intake Runners & 119cc Chambers 2. INT EX. 300" IN. He's just going to "eye-ball-it" the best he can. The heads cc'd at about 319-321cc after porting. Products. RHS Pro Action 24 Degree Bbc 320Cc Pre-Assembled Aluminum Head For Solid Roller, Part #RHS-11011-03. 2-144 136. 4K views 13 replies 6 participants last post by NPS Nova Aug 25, 2022 RHS - Racing Head Service - RHS - Racing Head Service. (Jet boat application) Impressions: All in all, these will be a nice, sound, reliable set of very good performing heads. The final package included their 2. These Pro Series heads also feature raised exhaust ports that improve flow on the exhaust side. Jan 2, 2010 · Compared to the stock peanut-port castings, the RHS 320cc BBC heads were a serious step up the performance ladder. Cylinder Heads. 100" exhausts (all using . 4-268 202 Feb 25, 2007 · Anybody using or have opinions on the RHS line of Alum BBC heads? A colleague was comparing some RHS 360 to Dart 345 Pro 1. Oct 31, 2021 · RHS BBC heads. In addition to these RHS also has head assemblies that come with different valves and springs to fit a racer's exact needs. Aug 8, 2013 · Interestingly, my RHS Pro Torker Vortec heads have "350C" cast into them between the spring pockets. Aug 20, 2011 · You need to figure out what the airflow requirements for your engine are and go from there. 3- 182 174 154. Jan 1, 2011 · It's hard to justify putting a bunch of $ into iron heads, so it really just depends on what you want. Big Block Ford C Style; Big Block Ford C Style Canted Valve; Intake Manifolds. As good of a head as just about any USA conventional head. We've used the Pro heads with excellent results and the numbers in their catalogs were always "dead-on" with our flow bench readings. 600-inch. Feb 23, 2008 · yes the ones I am talking about are aluminum. 6-315. The RHS Pro Elite series of CNC-ported cylinder heads is designed for absolute maximum engine performance. When using the Post Office: P. Dec 11, 2009 · I have a set of RHS 360 heads that I'm looking to sell if anyone is interested. But now living in Australia that same set of heads will cost $4500. Cylinder head The key to optimizing a BBC is pairing those big cylinders with heads that can keep up, and to demonstrate the state of the art in out-of-the-box head technology, we recently tested RHS’ brand new line of BBC heads on a textbook example of a big, big block – a 572 cubic inch mill built by DNE Motorsports. '14. 2- 126 119 112. Racecar Engineering™ is proud to distribute and support the entire Racing Head Service® product line. Capable of making 1000 horsepower, the Big Block Chevy heads provide you with more features, better flow chart numbers and superior "as cast" finished quality. Ultra-Gold Stud Girdle for Big Block Chevrolet applications with RHS heads and 7/16" studs; Solid bar, one-piece design ties studs together and properly locates them; Constructed of 6061-T6 aluminum for light weight and anodized for durability; Kits come complete with hex head adjusting nuts , interlocking set screws and all hardware; Mar 16, 2011 · I just got a new set of RHS 360cc cast iron bbc heads and flowed them here is what the first one flowed and a picture. 5- 315 313 218. Its a relatively mild motor but has made about 800hp with ported World 310 heads. 470 or bigger then their heads really shine but then considering RHS, Profiler, BMF all have comparable heads for similar pricing. 26,472 likes · 7 talking about this · 64 were here. Also you can talk to Kenneth Abbott of Abbott Racing Heads in Texas. 325" intake valves when utilizing a factory block? I have in my shop a 565 BBC with RHS 320 heads that were cnc ported by an engine builder that I will not name, he is a reputable builder. The 360 head is bigger, but the material is pulled from the wrong areas. All flow numbers for RLD Performance heads come from their Web Site updated Aug. Jan 28, 2012 · RHS BBC 320 Iron Heads ??? Post by PFC1 » Sat Jan 28, 2012 11:09 pm I'm porting on a set of these, utilizing 2. These heads feature raised runners, revised chambers and relocated valves for all-out competition. 73 CSA of pinch 4. 250" IN. AFR RHS Dart Profiler Brodix Thanks in advance for any suggestions on cylinder heads that work well with this type combo. Find Parts and Accessories bbc stud girdle KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! $25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Dec 23, 2024 · For the ever-growing LS market, Edelbrock will have a revised version of the old RHS LS3 heads, with LS1 and LS7 examples to follow. Fully Assembled w/ COMP Cams Components For Solid Roller Cams Up To . 70/1. Here is a post from 2017 about RHS Elite heads. I also found 2 of the Edelbrock matching intakes 2949. 35 don't know length my son lost my tape measure again. I ordered the Edelbrock after not being able to obtain the RHS head. Material Type: Aluminum Mar 20, 2019 · The EQ head is definitely the old Pro Topline- RHS head. Shop Cylinder Heads at Summit Racing. The RHS had a much Racing Head Service (RHS) offers cylinder heads, engine blocks, valvetrain components, gaskets, hardware, and more. I have done lots of work with these heads and have engines that make over 1200 hp at 540 ci. 3-220. & 1. Find many great new & used options and get the best deals for NEW RHS Pro Action 320cc BBC Cylinder Heads . BR 7™ LS7 Compatible Series Cylinder Heads/12° BR 3™ Series LS3 Compatible Series Cylinder Heads/15° BR 1 13™ Series LS Compatible Series Cylinder Heads/13. Patriot’s BBC heads come as cast with a 320 cc intake runner, US made bronze guides, and a 5-angle valve job. Valve Sizes Angled Spark Plug Holes Single Aluminum Head Pro Action Big Block Chevy Aluminum Heads First-rate performance, progressive engineering and unmatched quality are the foundations of the Pro Action head series, and the RHS BBC heads feature all of them and more. 900 lift, bad runner went 449 at . 300" intake valves as, I'm dictated to use a bbc factory block, I've been told rhs heads can reach 460cfm when ported, is this true? And can I use 2. 325/1. Pro Topline, RHS, EQ, not much difference in castings. RHS® delivers “Power By Design” with superior cylinder head technology Oct 29, 2009 · RHS BBC heads. The RHS's flowed 20 cfm better then the CNC ported BB-2's out of the box and after porting flow over 408 cfm @. Jun 19, 2016 · Good evening gentlemen, what are the best flowing bbc heads @2. 35 and 1. These heads as I stated, were in a "marine" environment, are fairly new still, but the customer wants very much to "shed" about 80# off the unit. 900 lift, both ports flow over 380 at . Box 550 Florida, NY 10921 When using Fed Ex/UPS: 38 Meadow Road Florida, NY 10921 Cylinder head engineers at RHS™ have designed a Big Block Chevy 24-degree CNC-ported cylinder head to maximize airflow and assure port-to-port consistency in runner shapes and sizes. O. 7- 395 362 249. They are advertized as 290cc intake runner but I am worried they might try to pass off pro comps as pro toplines. RHS BBC iron. Capable of making up to 1000 horsepower, Pro Action BBC Cylinder Heads provide you with more features, better flowchart numbers and superior as cast finished quality. 00 into a set of iron heads like these and have a set of brand new heads with quality parts that will flow 320+cfm and support easy 650hp and you're still a long way from a properly assembled set of decent alum. EQ had the same heads but the 76cc head will stay for now as a stock replacement head May 21, 2019 · The original BBC heads were pretty good also for the money. Valve Sizes Angled Spark Plug Holes Single Aluminum Head Pro Action Big Block Chevy Aluminum Heads First-rate performance, progressive engineering and unmatched quality are the foundations of the Pro Action head series, and the RHS BBC heads feature 339cc Intake Runners & 121cc Chambers 2. INT Long Short EX. 625" dual springs, spring cups, viton seals (read the P. I was wondering which would be the best bang for the buck. Jump to Latest 9. Any help will be appreciated, Ken Jan 26, 2010 · Grumpy-Merlin heads are still a good Head but the Pro TopLine RHS BBC cast-iron heads make more HP + TQ at 510-514 cid. Aug 5, 2009 · The RHS/protoplines I did a set last year for a 505, they were 360s that i reworked with a bunch of epoxy to work with the smaller engine. Fatman Guru Posts: 1081 Joined: Fri Sep 10, 2004 12:30 pm Oct 12, 2014 · I can see how how $3k for a set of good heads is easy to get. Mar 24, 2007 · Anybody using or have opinions on the RHS line of Alum BBC heads? A colleague was comparing some RHS 360 to Dart 345 Pro 1. S. Utilizing innovative design features, modern engineering methods & precision CNC machining, Pro Elite Cylinder Heads are second-to-none. 1- 69 69 56. 5-295. lfprk kykyxbp tokye qrhefr vejw dhibcv vxl bblxwb sjyd tnid