Used pro comp heads website. 00 total, that was including price of motor as well.

Used pro comp heads website Great prices. Pro Comp tires come with a limited warranty to cover manufacturing defects in material and Advanced Search Cancel Create thread New Forums More Login / Join. Just seems to good to be true and I was wondering if Jun 15, 2020 · Have no experience with ProComp products, but these heads sound like they're up there with "Engine Pro" engine parts. They have refined there casting but the finish work is really bad. 88 valves plus another 70. The lengths on the OEM bolts are the same on the 3001 heads. The motor is under 500 cubes and around 11. Notify me when available. The heads looked like they have a thick deck and were made pretty good . 300cc oval ports. 6 cyl. Manufacturer. rickd93_lx New Member. so these heads have to be pretty good i would think. The Felpro 1003 is what I am using on my 377 w/ the Pro Comp heads. 77 in the 1/4. I've never heard of Pro Comp heads coming from Australia, only China. Find many great new & used options and get the best deals for Pro Comp Heads Pc3003-0902-3355 Small Block Chevy at the best online prices at eBay! Free shipping for many products! Skip to main content. You are viewing a pair of Brand New Pro Comp Small Block Chevy Aluminum Assembled Performance Heads . We'd make FAR more selling Pro Comp heads than we do selling Canfield and Trick Flow's. Shop owner passed away (old age lots of wisdom) so I got the engine mounted in the rail dragster ready for break in oil fuel n plugs. 050 . They claim they used to have problems with the castings, but all that has been fixed. Thanks for the help. Revit Discussion starter. 10 gear Do the Pro comp heads fit the standard clevo intake bolt pattern? Save Share Reply Quote Like. I found a pair of pro comp aluminum heads. CLean heads though. Hardened valve seat inserts w/ multi angle seats. $2. Can anyone Pro Comp heads ?? Jump to Latest 3. 00 total, that was including price of motor as well. 5:1 speed pro pistons, Crower 252/262 @. For some builds, stock heads are just fine, while a custom porting and polishing job may just be the ticket to big power. Pro Comp Bbc Heads After 10 Years Of Use, And Thier Condition Video. 13 reviews. Save Share Reply Quote Like. 00 ( Australian dollars ) for the Edelbrock Victor heads. SURFS UP DUDE! Discussion As for a used jessel for $500 thats more then what he wanted to spend, the pro comp was under $400 and just looked inviting to him I guess. S. Misaligned ports, problems with the guides and even in Pro Comp heads with a lot of work. Combustion Chamber: 60 cc Springs: 1. ID number location Question 2. 19 and 1. 7K views 7 replies 3 participants last post by BogiesAnnex1 Oct 7, 2023. He's going to put a set of 205's on it & see what happens. I am not impressed by the Pro Comp's performance compared to my Victor Jr's. 607/. Pro comp BBF heads. I have new shortblock stroker being built and was gonna use some Eddy RPM heads. Solid bronze valve guides. Speed7: I would stay well away from pro comp heads, the effort in fixing the problems is not worth the money saved. 030 over 1978 454 for my 72 4sp nova. Thanks. My motor is 10:1 with a home port job. Lets see if I can stir up the pot on these Pro Comp Heads a little bit more. Nov 10, 2006 I'd like to hear from anyone who has a set of BBC Pro comp heads and running them now stock out of the box. 3 per head. =====edit===== THESE NUMBERS WERE AFTER SCOTT DID HIS WORK, NOT OUT OF THE BOX NUMBERS & I MUST ADD HE DID A HELL OF A JOB ON THEM :thumbsup: ===== 4. I'm curious, has anyone out there used these 308 heads & if so, have they had any problems? I know that quality parts cannot be beaten when building an engine for performance, and that YT-9 or COME heads are the most desirable, but I'm just wondering how the ATR/ProComp heads Have any of you gents heard any bad reports about "Pro Comp" Aluminum heads # PC- 3021. while racing is Page 1 of 2 - ATR Racing/ProComp alloy 308 heads? - posted in Engine: Hi. The 781's I have been quoted 250. Once we get them from the Mar 2, 2009 · Has anyone used PROCOMP cylinder heads? I keep seeing these heads on ebay for a little over a thousand dollars. 3021. Those heads are not made in Australia, we are just unfortunate enough to have the shady company based here, they are made in china and not very the pro comp units on ebay do not specify "victor" they run 969. -Mighty Demon 825-Cam TBD-Miller rockers-Hooker Super Comps-3" exhaust-AOD w/non lock-up 3000 stall-3. 15 posts · Joined 2020 Add to quote; Only show this user #3 · Oct 6, 2023. 1001/2 351633229200 291996169160 New Complete set of Aluminum Small Block Chevy Motorsport heads. Great deals. I'm looking for heads for a 496 build and was wondering if anybody has any experience with these heads? Pro Comp 3037 Procomp Aluminum Cylinder Heads Your cart. Nice! They 71 Mustang coup 500 in. They are 2. Pro Comp is now Speedmaster. the chamber sizes were 74cc, 95cc, and 84cc. Through a t5. 3051. That's close to a hundred horsepower give or take. 05 / 1. They need at least 10 hours cleanup time in the ports. Pro comp Victor big Block Heads. Chevrolet Performance 12558060 Chevrolet Performance Cast Iron Vortec SBC Heads. On a side note. Dec 22, 2005 162 0 0. Used - Good. If you are on that tight of a budget, look for some used heads, like I said before. They were on my Nova that I use for cruising , 5,000 easy miles later and they are junk . Whether you race Pro Stock, Super Comp, or just want to rebuild your old I used these heads for about 7 years without a hitch. make up the complete head? This is important information if you plan on putting a cam in the motor. So, I bought these Pro Comp heads, 210cc/SBF, for $420. I would try calling and asking them if it's theirs. 7/8 hookers Offy intake M/T covers, all MSD, C6"banger" Versilly 9 in. We did change the retainers and keepers tho, 81 aussie ltd-351w,rpm heads,performer rpm airgap intake,10. 00 to open up the spring pockets for the new valve springs. i only heard on 1 guy that used them and he had world product heads on his motor that ran 11. 6 valves, pair of flowed 750 dp's on top of a 8-71 from the Blower Shop. and he's in pretty deep with his project. 12 reviews. 498ci 16:1 pistons pro comp heads. Being used heads, most likely they will need re-surfacing and a valve job. Drums Easy to use website. Need help from someone familiar with pro comp heads and their part numbers. They are the same on most conventional aftermarket aluminum heads, The Pro-Topline below has the same lengths! You could use the factory bolts, but read the P. No matter Jan 10, 2017 · Someone might know better, but I thought I heard that the end of last year? I see Chris and Scott seem to like the Pro Maxx heads. 620 lift on a 108CL, Holley strip Dominator intake, Holley 850DP, TH400 with a 4500 It's putting out somewhere between 375 and 400 HP. PC3002S/AC FF281. I kept blowing them out. 1966 Stang Coupe Org. We have a Pro Comp account, and at $700 a pair complete the margin is rather large. You want a cheap alloy head, then buy Chads. No Hassle Returns. The guides were so bad it started to foul the plugs . Even the pro comp piece is $200 more then the best chain set up. Massive selection from top brands on eBay. But also has anybody got 360cc com out if theur pro comp heads thx. BBC, SBC and SBF. Just curiouse if any body has seen any flow numbers for the PRO-COMP oval port heads? Myself, I wouldn't risk purchasing a set but I'm curious if they have decent flow numbers. 880 exh. 0 with the 84cc rpm heads. Good Luck! Chad Harris 67 Chevelle SS 460 BBC, TH400, 4. Share. Room for porting too but I wont do it right now. I looked for some alternatives and found Pro Comp. but there not mine there a friend of mine and he need's help. I picked up a set used and one head has the number PCE 3051 704 0225 and appears to be the as cast version. I don't know anyone who's had problems with them being leakers, cracking etc. They say the heads are imported from Australia. 600/. Big block Chevy 468 block Pistons rods crankshaft 320 pro heads need one piston block needs to be sleeved on one cylinder SRP Pistons 6. com If you need a set of Vortec heads check out these Vortec heads at Jegs. He has proven quality, not a sales pitch. Thread starter Grumpy; Start date Apr 11, 2020; Grumpy The Grumpy Grease Monkey mechanical engineer. 05/1. 230 intake runners and 64cc combustion size. All the heads are offered in cast iron or McLain and we've flow bench and dyno tested the CHI 3V and Pro Comp heads, along with unported iron 4V heads. 100 clearance and then when the valve were wobbling while open smashed into each other. Fitment guaranteed. 6 valves . Speedmaster is also one of the rare companies to produce its own products, where majority items are entirely developed The heads can also be special ordered with 70cc combustion chambers for use with stroker motors. Hydraulic roller 588 lift Pro-Comp heads big valves roller rockers 1. As I was planning to spend big $$$$$ on my cast heads to have them reworked to the Cobra Jet Specs, I am now thinking of buying these Pro-Comp 460ci heads instead to go with my Scat 557ci Stroker kit, as I cannot afford to pay $4000. 00 Out of Stock. The rpm heads are only 210 intake CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. J'S they had Dec 6, 2007 · The Procomp Electronics website lists the #3058 BBF heads at 95cc. Live-in-stock inventory. Representative Photo. I have inspected these heads before I installed them . They tell me they are real close in performance to the Dart heads, just a lot cheaper in price Only difference between mine & his is the heads. 10 @ 112 mph. It has a mild cam and is bored 30 over i have been looking at some pro comp aluminum cylinder heads that are complete part # 3037. gonna need to get one head fixed best offer message me for more details. Very Doubtful anything can come even close to the I'm planning on redoing the top end of my 402 bbc, cam, heads etc. 1971 Malibu, factory buckets/full gauges/console, 383 roller cammed small block, Turbo 400, 3. Sad thing this shop is owned by a former IHRA/NHRA Pro Stock racer:sad:. CHI offers its own line of 3V intakes, plus 2V intakes can be modified to bolt up to the 3V heads. Procomp heads are available bare, complete and fully CNC machined. about 3 years ago, all 3 comapnies quit making the head and took the original molds with them leaving I've used the Pro-Comp 460 heads on a 545" solid roller motor I built to run at Bonneville. 99 plus the ride and looks identical to the procomp, but fails to give any manufacture info. Thanks, Gary in N. Seats were suppose to be machined for pro-comp heads i have used pro-comp heads in the past for small blocks and was never impressed with the heads, however i just bought a set of big block pro-comp heads for a cutomers engine and i am impressed these are part# pc-3021, 320 cc intake runner, 115cc chambers, 2. Not sure where the ID numbers are on the heads or what plugs to use. 86 posts · Joined 2006 Add to quote; Only show this user #1 · Aug 24, 2006. i see them all over ebay and i was wondering if anyone had used them and if they are any good. Cris Our Philosophy on Horsepower unfortunatly you will get a lot of different opinions on procomps alot of guys use the castings and stay away from the the valvetrain componets,i think vortec heads are awsome because of there low lift flow cappacity 420 hp is easy 383 and vortecs- 520'' lift cam. Here are some pix of our 220cc cnc ported head Evidently, there were 3 different companies making the heads for pro-comp each having different molds and each having different chamber sizes. P. but I do have one of their intakes that I bought off of E-bay from them! It was ported by DR. Bolt on more horsepower with performance cylinder heads from Summit Racing! Shop cast iron, aluminum, CNC-ported, CNC-profiled cylinder heads & more. 60 Heads, Shaft roller Rockers, Victor Jr intake, Holley 750 DP, Ed Nix Custom . Thick deck - Can be used with Nitrous I have put a set or pro comp cylinder heads on my 383 Chevy 350 engine. 460" Dual Im looking to buy a new set of BB Chrysler heads. After the prep work, they aren't to bad, but the old addage you get what you pay for applies. 351w,Sealed Power Hypers, ARP bolts,Total Seal rings,Eagle H-beams rods,Balanced,Hedman long tubes, Pro Comp 2. Mike Moore. Condition. did anyone know anything abt these pro comp aluminum head. On my paticular motor Find many great new & used options and get the best deals for SB Ford Aluminum 210cc Cylinder Heads Assembled 302/351 Pro Comp 3038 at the best online prices at eBay! Free shipping for many products! Could you expand some on "can I use regular head bolts", not sure what you are asking. Sale Price. Top. With a N61 cam, I made 360 to the tires on a Mustang Dyno, and ran a 12. As for the intake --- I was going to use a Weiand Stealth manifold but another person on another board said that these heads are raised runner so I wont be able Pro Comp Heads I intaled a set of new pro comp heads on a mild 350 in the spring of 2014 . Pro Comp heads I understand that Pro Comp (China) sells the bare heads to dealers, and the dealers put them together. w/land speed gears. 00 on a single I run pro comp heads on my 440 30 over they have comp cams hardware and are mildly ported, i run a victor intake and a 600 lift solid comp cam, the engine runs good, had to use coustom push rods from manton and the push rod holes had to be reworked. Fitment Pro Comp heads valve spring installation height are right at or just a tad under the installation height with no spring cups. 1005/6 292071057911 302267618285 New Complete set of Aluminum Small Block Chevy Motorsport heads. 42 in the 1/4 and then put on the pro comp aluminum heads and went 11. A friend of mine bought a set and then was told after the fact that they are a very poor item. I was checking out Skip White's website and came across a set of Procomp aluminum heads for a big block chevy. Break in and race FF281. off set ground 460 crank 440 rods custom weisco pistons built in 89. All three heads share the same exhaust runner. Now I know you get what you pay for and for $400 you can get some Edelbrock E-street heads but how does every one else feel? Find many great new & used options and get the best deals for SBC Aluminum Pro Comp Bare 190cc Cylinder Heads 64cc at the best online prices at eBay! Free shipping for many products! SBC Aluminum Pro Comp Bare 190cc Cylinder Heads 64cc for sale online | eBay bbc 468 320 pro comp heads. 385 rods motor has about two hours run time on it. 00 to rebuild and machine for 2. Procomp offers a wide variety of aluminum cylinder heads for both race and mild street applications. There are plenty of nice used heads for sale on RacingJunk for just about any engine. Vortec Heads require a Vortec style intake manifold due to its improved manifold mounting flange and gasket design and raised intake ports. cheap chinese pro comp heads are worthless kato lol your right chinese junk. Hello ! Im building I can post pictures of a set of Pro Comp cleveland heads I have at the shop, with 2000 miles on them, guides have in excess of . Engraved between #3 & #5 exhaust port: PL3010-454-0605 0282 Square port , The 383 had a 4340 assembly,SRP blower pistons,custom ground mech. Save. Question 1. Depends on how nice you want to equip themif you shop around for a lightly Oct 25, 2021 · In my experience with low cost chinese knockoffs, ProComp is the name that a chinese company that counterfeits American products changed to after major problems. 99 plus shipping. Was wondering if anyone have used them or know anything about them. . I figure that they have to be better then what I have and the price is right for what I want. His is down some 10 mph compared to my old POS combo. 55 Posi-4wheel disc brakes. I know there are a ton of cheap Alum BBc Jul 29, 2013 · Procomp makes stuff for Ford motorsport so you know they will eventually get it right, me thinks. That looks like a pro-comp part number. Save Share Pro Comp now calls themselves "Racemaster" and they have 2 distinctly different heads available for the big block Mopar engine. But I called Indy about thier 440EZ heads and Russ told me i was gonna lose around 100 hp if i use the small Eddy head. These stock heads can be mildly modified, to all out ported performance, using stock valves to big stainless applications. 644 posts · Joined 2006 Add to quote; Only show this user #38 Engine Tech - Pro Comp heads, any good???? - I recently had some major damage to my heads, they were Bowtie alluminum on my 496 BBC, question is, I have saw a lot of adds for the pro comp heads and was wondering if anyone had used these or if they are any count. Drums & Rotors Disc Pads & Brake Shoes Hardware Service Kits Brake Hydraulics Hoses & Pipes ABS Components Gaskets & Sealing Systems Assortments Sensors Valves Fittings Control Modules Relays; Engine Pro Comp 3038; Procomp 3038 Pro Comp 3038 Procomp Aluminum Cylinder In the end, Pro Comps are very much a liability as compared to a more expensive, quality cylinder head. The valve job is super bad and the parts they use like valve and springs are junk!!! But if your on a budget if really hard to beat the prices. The short Procomp 3051 Pro Comp 3051 Procomp Aluminum Cylinder Heads. They also requires the use of self-aligning rocker arms. 250 int. 74cc Combustion Chamber, 290cc Intake Runners, 130cc Exhaust Runner 71 Mustang coup 500 in. effort for 92 pump gas. As you may guess, any 2V intake will bolt to a CHI 2V head. RHS offers the Pro-Action heads (formerly called Cylcone) in three intake runner volumes, 180cc (back), 200cc (not shown), and 215cc (foreground). Advertised as 320cc, Measured 338cc and 341cc,as cast Ported as below they were 345cc and 349cc. Checking the status of the order(9320) yielded no change, as far as when shipped and when eta would be. valve and 1. I thought they were a good deal because they were complete with valves , springs and push rod guides ready to Here's the Specs on the Pro Comp Heads PC 3037 & 3038 COMPLETE HEAD-FEATURES & COMPONENTS Cylinder Heads PRO COMP 210CC (3038) Intake Runner Aluminum Cylinder Heads With 60cc Combustion Chambers. Thread starter Pentastar 01; Start date Dec 12, 2017 - Pentastar 01 Well-Known Member. Any 4V intake will bolt to a CHI 4V head. Jeg's has just started selling Pro Comp bare heads and their item description states "Producing 500+ HP out of the box" '67 Mustang coupe New Dart 427 under construction: AFR 205's-Ported Victor Jr. I'm still money ahead of the game no matter the outcome here. If Procomp 3021 Pro Comp 3021 Procomp Aluminum Cylinder Heads. What The air flow graph is right off the Pro Comp Electronics web site:noway::yes:. 050 Solid Cam, Crane solid roller lifters,Richmond 4. 3 com,angus 1. Jump to Latest 5. I have a set of 781 heads now and am considering a set of pro comp oval port 118cc combustion chamber cylnder heads through Skip White. Fast shipping. Do you know what type of valves, springs, retainers, etc. Must be a reason we don't =D. The team has shared all the finest moments in the numerous accolades for its people, its products, and its approach. The actual casting quality of the Pro Comp heads seems to be pretty darn nice. just dont want to jump on that better deal and find out its ****. I need to replace my Edelbrock Heads (they were used) Pro Comp also had many early on problems but these appear to be solved with recent heads, most of their problems were porous castings that leaked coolant both externally and internally. The only thing was their lack of follow up with the process. 2v intake gaskets dont fit and the 4v is way to big also the 2v intake dont fit the heads too. Are these the same heads that you are talking about? Let's keep this one free of procomp bashing please. It was shop built while I was away for work. 600 254/258 @. 530 bore, radius inlet I am building a . Ever notice how the part numbers start with “PCE”? Pro Comp Electronics. the valve angles were also different on some of the 74cc heads. Apr 11, 2020 #1 this is a video worth watching, and, yes theres a great deal the video does not address, or cover. The other head has number PCE 3051 704 0226 and has been CNC ported does the 0226 signify the cnc version or has this head been cnc ported elsewhere?It appears the heads If you want quality parts, you have to pay a little more money for them. 0/1. PCM heads are assembled by skilled professionals and use the best components in the industry. Hey guys. the ad is almost the same. It has aluminum heads. ebay Procomp / Speedmaster 185cc 64cc straight plug small block chevy heads with Bronze guides & Vortec bolt pattern. there is another head that sells for 906. petryss Discussion starter. An engine builder 'friend' who shall remain nameless suggested he could save me a lot of Aluminum heads can shave a lot of weight, and high flow heads can make your engine breathe much easier. Shop by category. This engine was a max. The valves used are nearly as hard as playdoh, PRO COMP TIRES WARRANTY COVERAGE. S. I am looking at the 64cc 210 heads. Part Number. Bringing the performance up, we sell Pro Comp Aluminum Cylinder heads as well. Sold individually. roller blower cam,the CNC Pro-comp heads with a 215 cc port volume,2. Y. Heads were built by a shop that bult the original motor, which I bought used. Thick deck - Can be used with Nitrous or Superchargers 205cc Intake Runners 64cc Chambers Straight & *Must use Fel Pro #1255 intake gasket for Vortech manifolds, and # 1266 for conventional style intakes. With that said it seems like there are a lot of "what ifs" with these heads. These heads had soft plugs under the valve covers, between each set of springs. Pro Topline on the other hand is the former name of RHS heads, which made fantastic heads out of Australia, and RHS is now a division of Comp Cams. Yes i have heard plenty of bad things about thier products, and many things about thier sbc heads, but i never heard any bad or good about the bbc heads. i used the pro-comp heads for over 2 years on my race car and aquired a great deal of data on the heads during that time, last june i switched to the TFS street heads #4 and have since gathered more data in comparision with the pro-comp heads. No casting numbers on them. after a visual inspection the only minor Procomp 3003A Pro Comp 3003A Procomp Aluminum Cylinder Heads Procomp offers a wide variety of aluminum cylinder heads for both race and mild street applications. I have a stock 351w with stock cylinder heads. I'm not a budget builder, but I can't seem to save my money long enough to get $2000 BC I put what money I dont use right into my savings and don't like to take money out. Staff member. he asked me and Ive never used or seen them so I figured I would ask on here. wyrmrider Guru Posts: 6988 Joined: Fri Speedmaster has become a leader in its field, built on a long term consistency of being a specialist in aftermarket automotive components. They are full of machining overhangs and casting flash. I have pro comp heads on my 327 stroker. Unless Pro Comp proves to me that they can offer a quality product, their stuff is junk in my eyes!! 395 Windsor stroker, fully massaged Pro-Comp 190cc Heads, RPM Airgap, Demon Carb, Comp Cams Retro-Fit roller, Tubular front suspension, sn95 4-wheel disks. They're stupid cheap at under a grand for a pair which has my guard up already. I recently went to the machine shop to freshen up the heads and they told me that several of the guides were worn and the bill would be in the $700 range. Joined Oct 6, 2014 Messages 107 Reaction score 36 they used the victor program, because they are the same head physically. as you stated in you original post we can't drop 1500. Secure payment options. 6 rollers ,1 5/8 long tubes,750 edelbrock,comp xe274h,c4 82 GT mustang 302w-4 speed 55 two door ranchwagon 69 xw falcon wagon 08 softail. Any new Pro Comp tire purchased by a consumer from a Pro Comp dealer is covered by this Limited Warranty. with the head FULLY done by headbytes you are OCT 09 ISSUE OF MM&FF They took a junk yard 302, trick flow cam, these exact same pro comp heads, roller tip rockers, eglin hardened pushrods, parker funnel intake, and a 750 holley carb and made 399hp 363lb of tq and it only cost them $1,064. Jump to Latest Procomp Motorsport's 3051 ASSEMBLED BBFord 429/460 Aluminum Cylinder Heads 356-A Aluminum Alloy Heat treated to T-6 Specifications. Save Share Pro Comp aluminum heads. 11, Strange mini spool, Modified C4, 3500 stall, ***** Procomp 3002S Pro Comp 3002S Procomp Aluminum Cylinder Heads Procomp offers a wide variety of aluminum cylinder heads for both race and mild street applications. These heads have tremendous power potential. Here May 24, 2014 · I have not seen any pro-comp heads except in pictures on web. Mine is a 468 with the Pro Comp 320 heads, Manley valves and Isky springs, 10. Originally when they were still calling themselves Pro Comp, the first Mopar head they offered was the copy of an Ede Victor BB I might add, the heads I am looking at are from Skip White Performance on Ebay. Has any-one used these Pro-Comp Alloy heads, Any good I have a set of Pro Comp BBC Oval Port Heads, and in need of of set of stud girdles; however when i called ProComp they said that the Brodix BB2 stud girdle should fit PN BR1230, However, they were not 100% sure. 42 10 bolt posi (Buick), - All your base are belong to us. Save Share A buddy bought a used motor . Sort by Oldest first Oldest first Newest first Most reactions. Promar and Pro Comp Motorsport (PCM) is in the business of making power affordable with our PCM Small Block Chevy Performance aluminum head. All Procomp aluminum cylinder heads feature the following: High Grade Aluminum; Bronze Valve Guides; Hardened Seats; Advanced Port Design for greater flow I've had really good luck with the pro comp heads. Pro Comp 3038 Procomp Aluminum Cylinder Heads Your cart. Details. i have 2- 383 sbc one with dart pro 1 alloys 525 hp and one with dart cast sportsman aprox 430-440hp Shop Pro Comp Car & Truck Cylinder Heads & Parts with eBay Guaranteed Fit. R. Brake. 3K views 12 replies 6 participants last post by Phantasea466 Aug 24, 2006. Anyone ever used Pro Comp cyl heads? I've seen their as-cast aluminum 190cc heads as low as $650/pr. in this clip I explain why this head is hands down the best out there for the buck when modified the RIGHT WAY. We still have a bunch of heads to test but I've posted some results below that may be of interest. Pull after pull with the Pro comp heads the best he could do was 588 hp. kjiq cpwu rndkji nqss tbamt ztuflsq osbtr ayccqwcp sobywd faoqk