Promaxx sbc heads review. Date published: 2023-08-11 .

Promaxx sbc heads review With ultra-smooth Grade A 356-T6 aluminum castings that are precision CNC-machined, I show dyno results from three different heads on the same engine. ProMaxx Performance Cylinder Heads available: Big Block Chevrolet (BBC) Cylinder Heads available in 320cc & 360cc at different valve sizes. 30. would like to ask some of the pro guys to check it out and see what they think of them. Porting is equivalent to other companies more The Maxx 190 is the ultimate “as cast” head available that produces CNC type flow number, flowing over 260cfm. 575 lift. After installation, the power output of the 393 soared to 558 hp at 6,400 rpm and 512 lb-ft of torque at 5,000 rpm. Rockwell test Head CC Chamber CC Intake and Exhaust Runners Check Seat concentricity and valve guide clearance as shipped Flow test head out of the box with 2. 500 and 4. com ProMaxx BBC Head Review Jump to Latest 61 - 80 of 111 Posts. 200-133, . With ultra-smooth Grade A 356-T6 aluminum castings that are precision CNC-machined, these small block Chevy heads deliver awesome air speeds with super-efficient chamber designs to produce the power and The 185cc series 1 heads are perfect for that budget build. Maximum quality, maximum performance, and minimum pricing--PROMAXX Maxx Series SBC cylinder heads take affordable power to the next level. Find PROMAXX Performance Maxx Series Small Block Chevy Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! Maximum quality, maximum performance, and minimum pricing--PROMAXX Maxx Series SBC cylinder heads take affordable power to the next level. The ProMaxx heads respond to the same things that any production head respond to; some attention to detail. Answered by: jshook. 1 2 of 6 I think it's safe to say there isn't a lot of material "missing" in the ProMaxx head. Couple that Ultra-smooth 356-T6 Aluminum Casting; Competition 5 angle valve job; Hand Bowl Blending; Precision designed Runners; Large Spring pockets; 200cc intake runner The foundry is a modern, high tech foundry that casts all sorts of different parts. Find PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! PROMAXX Performance Project X small block Chevrolet cylinder heads have the right stuff to perfectly fit your budget build with abundant power. I had never seen them before. southcross2631, Feb 15, 2020. TheZaZ Discussion starter. Went to the ProMaxx site and checked them out, and they seem to be comparable to the Profiler All-American 210 heads. Better money spent to go aftermarket? On another forum cstraub did good review on them said they wasn't junk but not quite AFR level. 500-250, . I have been saying for years that BOTH Flotek and Promaxx are a good quality heads that make good power. Messages 70 Reaction score 55 Location Banghart Diesel & Performance put down 355hp/659tq through a set of ProMaxx heads recently and a bunch of 185cc Aluminum Small Block Chevy Cylinder Heads. Date published: 2023-08-11 I have done many many 6. 00 other than AFR new chinese My ProMaxx Maxx 200cc sbc heads arrived. 185cc intake runners; 202/1. 60/72cc Angle Plug Bare. Link to preorder book:https://weingartnerracing. Shop Now at the Guaranteed Lowest Price! $5 off $49 / $15 off $249 / $30 off $499 / $65 off $999* - Use Promo Code: LASTCHANCE Took me a yr to come up with the money to by bare promaxx 185. 700 Solid Roller: 9183SRT Promaxx maxx series or profiler all American for 11. ALL PERFORMANCE SERIES HEADS SOLD IN PAIRS! DX Series 6. Explore the superior performance of ProMaxx 2169, the ultimate choice for 185 SBC heads. 050 cam, mine had . 60 valve size; Screw in studs; Large spring pockets; Product Reviews. 6 These things look like $1600 heads guys, I'm not kidding. ProMAXX Performance has designed a complete new line of performance heads that meet or exceed the big names in the industry. Even the ''as cast'' heads utilize ultra-smooth new runner and chamber designs that produce ''CNC'd type'' flow numbers. I know that doesn't mean much, but everything I've been finding on promaxx is good. check out this video comparing the full cnc promaxx 340 bbc heads against the as-cast afr 345 h full dyno results-340 promaxx vs 345 afr-cheap vs brand name? Find PROMAXX Performance Cylinder Heads 72 Combustion Chamber Volume (cc) My Reviews; My Questions; Catalogs; Tax Exemption; Sign In SBC 220cc As Cast 2. $5 Off Your $100 Mobile App Purchase - Get the App Reviews; Q & A; 215cc Intake Runner. these heads are actually patriot clyinde heads. I know AFR IS THE BEST ,but I have 5 grandkids to spoil also so if I can save $1000. Don’t let the size fool you, flowing over 260 cfm, this head makes real power. 600-251 The Maxx 200 is the ultimate “as cast” head available that produces CNC type flow number, flowing over 280cfm. We broke them all down and went through them just to be sure and didnt find a single issue. 575 Hyd Flat Tappet: 9183HR: 183 Maxx SBC Assy Hyd Roller: Straight: 64: 2. Engine runs great and not looking for new heads, but I was looking at the AFR 195 Enforcer heads. PROMAXX Performance Project X Small Block I give an honest review of the Promaxx Project X 215cc head. So far I really like the casting and quality of finish. The new swirl designed chamber is the difference. There is a series of 6 videos in which a head porter dissects this head on YT as well. 00. PROMAXX Performance Project X small block Ford cylinder heads are one word—awesome! They feature ultra-smooth 356-T6 aluminum casting, 5-angle valve jobs, Find PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads 215cc Intake Runner Volume (cc) and get Free Shipping on Orders Over $109 at Summit Racing! PROMAXX Performance Project X small block Chevrolet cylinder heads have the right stuff to perfectly fit your budget build with abundant power. 93 @ 116. They showed up assembled with their parts. The economical "As-Cast" aluminum versions feature ultra-smooth 356-T6 casting, precision Head also features dual intake and valve cover bolt patterns. The economical "As-Cast" aluminum versions feature I give real flow numbers and review the Promaxx BBC 317cc head. 36 Eaton Posi, Moser Axles, , The ProMaxx MAXX Series Small Block Chevy Aluminum Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. 2180 - ProMaxx Performance Small Block Chevy Aluminum Cylinder Heads is rated 5. The 200cc looks pretty good too. 00 – $ 2,007. Part Number: PMX-9186S. Horsepower costs money. The engine is proving, with proper tuning, to be a real stormer for a little hyd roller cam 355. Jump to Latest 35K views 31 replies 13 participants last post by BuzzLOL Mar 4, 2015. $1,287. The CNC-ported, 340cc versions from ProMaxx featured a 2. 400-226, . Well here is Eric's video comparison between BBc ProMaxx 317 with 2. With ultra-smooth Grade A 356-T6 aluminum castings that are precision CNC-machined, these small block Chevy heads deliver awesome air speeds with super-efficient chamber designs to produce the power and torque This head is a brand new piece from a brand new source. 38 out of 5 stars. This is what I am planning. 00 In Stock: Quantity Detailed Description: ProMaxx Flo Tek heads look good and have good reviews. 5 out of 5 stars. a few of the custom head porters I have a pair of Promaxx for sbc and was really impressed with their construction. But not sure good to put $2000 or more in the 781 to get new valves and some porting done. com/product/ 5 I have been looking on Skip Whites web site and am considering a set of promaxx 185 64cc aluminum cyl heads for a hyd roller 383. Part Number: PMX-2102. Flow Data. ProMaxx's full CNC port head is quite good as well. wengines. ports heads for sure, but I just feel the ovals are more suited for my street application at this point. 6: 2179: 190 Maxx SBC Bare: Straight: 72: 2. Estimated Ship Date: Jan 14, 2025. . The internet says that PROMAXX OR ASSAULT OR FLO-TEK 200CC BARE HEADS are new and improved now and I'm thinking about one of them or PROFILER USA BARE HEADS . $20 Off $250 / $40 Off $500 / $80 Off $1000 - Use Promo Code: CYBER I talk about the promax small block Ford 185 cc cylinder head and show the flow numbers. 3. Dyno results show 20 to 35 hp gains over the competition. AFR - Airflow Research 1194 - SBC 227cc Angle Plug Heads spread port exhaust 64cc chambers bare heads (0) $1,211. Anybody ran any on a solid roller 383 sbc drag only engine. Part Number: PMX-9217S. 08/1. 2" 3. ProMaxx 9196A Project X Cylinder Head Features: Fully assembled with valve springs, steel valve spring retainers, Viton valve seals, 3/8 in. Instructions & Calculators Compression Calculator. Afr's or twisted wedge heads are the only way to go. This head has produced over 5oo hp on pump gas and mild cam . The Maxx 200 is the ultimate “as cast” head available that produces CNC type flow number, flowing over 280cfm. I had sent We knew the stock heads were restricting the combination, but didn’t know how much until we installed the CNC-ported heads from ProMaxx. Too bad Promaxx don't make a oval BBC head right now, cuz it sounds like their quality is there at the moment. Estimated Ship Date: Nov 11, 2024 if ordered today. Part Number: PMX-2168. 185 SBC Series 1 Assy Hyd Roller: Angle: 64: 2. Street Edge 10" 2800, 8. Maxx 190 SBC (Sold in Pairs) $ 937. but there are vastly fewer “larger” std platform cylinder head choices than for a SBC. Date PROMAXX Performance Project X Small Block Ford Cylinder Heads. $5 off $49 / $15 off $249 / $30 off $499 / $65 off $999* - Use bvseo-REVIEWS; bvseo-PRODUCT; bvseo-getContent; What size pipe plugs go on the cylinder head. i m pretty new on the head porting game . 300-188, . No major work was done to these other than a basic gasket match job. The economical "As-Cast" aluminum versions feature The Shocker 225 CNC is the ultimate 23 degree small block Chevy head. SlowBoat Member. The new SBC heads and the new FE head are both very nice pieces. A budget head on a 434 is going to peak way early and disappoint you, even with the proper solid roller cam. Specifications: Part Type. 200 Maxx SBC Assy: Straight: 64: 2. 0 HO shortblock with stock replacement pistons, FTI 223/227 @ . With ultra-smooth Grade A 356-T6 aluminum castings that are precision CNC I used a set of the 183’s on my SBC 327 build and they’re ok. The heads he's talking about are made by promaxx, and from all the reviews and articles i've seen, they make some nice heads. 0 gained a 100 horsepower. The ProMaxx 723-2171 cylinder head uses 3/8 npt plugs. Heck the NKB says like on the Ebay site to only go 65 pounds on their heads and called and got same answer. 575 Hyd Flat Tappet: 9200HR: 200 Maxx SBC Assy Hyd Roller: Straight: 64: 2. The ProMaxx 723-9183 cylinder head does not work on a '93 LT1. Spring Options: Combustion Chamber Size: Plug Option: Valve Option: Reviews Write a Review. Date published: 2022-11-17. 00 Select options This product has multiple variants. A 416 is a pretty popular build for a SB. Project X SBC 185 (SOLD IN PAIRS) $ 1,069. The options may be chosen on the product page Performance. Estimated Ship Date: Oct 8, 2024 if ordered today. This head will support big power at a price that can’t be beat. 080 clearance on the intake, over . Promaxx Performance. The promaxx are a knock off of the Brodix ik heads. Rated 5 out of 5 by blutto from good heads checked them over really good and think they will run great combustion chambers came in at 62 cc and i had a hard time finding headers to fit my app and i thought they would take center bolt covers other than that perfect Not seeing how assault heads would be better. PROMAXX Performance Vortec 185cc Iron Cylinder Heads 2151 PMX-2151. Most cylinder head makers are offering their castings in raw or semi-finished forms. Honestly the casting looks better than the set of AFRs I bought for my BBC. Save Share Reply Quote Ultra-smooth 356-T6 Aluminum Casting; Competition 5 angle valve job; Hand Bowl Blending; Precision designed Runners; Large Spring pockets; 185cc intake runner ProMaxx, Maxx Series Chev SB Aluminum Heads, 183cc/64cc, Straight Plug, Assembled, Hyd. Reviews; Q & A; 200cc Intake Runner. Always check Seems a lot hear want to not only shit on "china" heads and also group them all together. Reactions: Hink, jrsavoie, n8in8or and 4 others. I guess since everybody is LS crazy right now, a new SBC head isn't major news but it was a great discovery. SLPRACINGENGINES wrote:i saw a vidoe on youtube of the promaxx heads. For high-flowing cylinder heads at a great price, get PROMAXX Performance Project X small block Chevrolet cylinder heads. bvseo-REVIEWS; bvseo-PRODUCT; bvseo-getContent Asked by: Big B. 600 Hyd Roller: 2168SR: 185 SBC Series 1 Assy Solid Roller: Angle: 64: 2. 02/1. 600. Part Number: PMX-92002HR. Additional information. Assembled heads feature 21-4N Stainless Swirl back cut valves, studs and guide plates VALVE SIZE: MAX LIFT: 9183: 183 Maxx SBC Assy: Straight: 64: 2. Write a Review View All Reviews. Series One 175 SBF (Sold in Pairs) Maxx 200 SBC (Sold in Pairs) $ 950. There's videos on youtube where a guy had the alumnun tested, and it was top quality stuff. My Reviews; My Questions; My Garage; Sign In; Career Opportunities Find PROMAXX Performance Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! SBC CYLINDER HEADS PAIR. But that doesn’t tell the whole story. Not enough to sway me based on reviews of quality and some other intangibles listed on this thread. I think both Banghart Diesel & Performance put down 355hp/659tq through a set of ProMaxx heads recently and a bunch of other parts from us. braveshop. '69 Malibu. rocker arm studs, and guide plates; Valve springs for use with a hydraulic flat-tappet camshaft with a maximum valve lift of . 21 out of 5 stars 63 Customer Reviews Assembled, Aluminum, 64cc Chamber, 185cc Intake, Angle Plug, Hyd, Flat, Chevy, SBC, Pair. 250 intake. Promaxx bought Patriot, and sells them I just stumbled across the ProMaxx "Project X" SBC heads on Summit's site.   Asked by: trans am bob. I I review the SBC Promaxx 225cc cnc ported heads and give you flow numbers from both of my flowbenches. With ultra-smooth Grade A 356-T6 aluminum castings that are precision CNC-machined, these small block Chevy heads deliver awesome air speeds with super-efficient chamber designs to produce the power and torque The SBF Maxx 180 is an as cast head that beats the competition. ProMaxx is working on an Oval Port head in the 280cc range, a 337cc, and 367cc. Estimated Ship Date: Oct 28, 2024. Does anyone have any first hand They are an offshore-sourced cylinder head casting, like the Promaxx offerings and all the cheaper options, but AFR puts decent quality valvetrain components (including I needed a good street performance head for my roller cam 355 that wouldn't break the bank, be too large port wise, or fit poorly. 300 intake compared to the AFR 335 with 2. 2. With Freedom Series small block Chevy cylinder heads, PROMAXX Performance offers you the opportunity to bolt on the 4. 00 – $ 1,512. 00 – $ 1,525. PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads 9186S PMX-9186S. We compared it to AFR/Brodix/Canfield that we have in the shop. ; Will these heads work on a 400 sbc , I can’t seem to find any heads that have the steam hole provisions for a 400 Asked by: John. Certainly tfs heads when they work with rest of build do seem like a These are apparently the ProMaxx head among many others Steven performance cylinder head Naturally Aspriated 450 SBC - 915 HP / 714 lb-ft 3370 lbs 1. With ultra-smooth Grade A 356-T6 aluminum castings that are precision CNC-machined, these small block Chevy heads deliver awesome air speeds with super-efficient chamber designs to produce the power and torque . 575 Hyd Flat Tappet: 9217S: Project X 215 SBC Hyd Roller: Straight: 64: 2. Estimated Ship Date ProMaxx BBC Head Review Jump to Latest 101 - 111 of 111 Posts. 88 stainless (back-cut and swirl polished) valve combo, 122cc combustion chambers, and intake flow that exceeded 400 cfm (peaking at I do a review of the AFR Enforcer SBC head. 383 SBC. Free Shipping - PROMAXX Performance Freedom Series Small Block Chevy Cylinder Heads with qualifying orders of $109. the guy had done saw cuts showing the ports and had tested the materail. Making great power at a price that cannot be matched. Edelbrock e heads are good to but are priced close the the afr's. Weight: 109 lbs: Related products. 0 Aluminum Diesel 18MM $ 1,431. Part Number: PMX-2151 Estimated Ship Date: Jan 13, 2025 Dart and others offer race-style heads with shallower valve angles that unshroud the valves and aid in power production. they just closed down and Promaxx Performance continues to evolve with the Project X lineup and has raised the bar on the competition. This new foundry that ProMaxx is working with makes nice stuff from everything we have been sent. Get the Best Performance with ProMaxx Performance Project X Assembled Aluminum Cylinder Heads for Small Block Chevy (200cc) 9197A parts at JEGS. Shop the Best available ProMaxx Project X Series Small Block Chevy Aluminum Cylinder Heads parts at the Guaranteed Lowest Prices! High Performance Parts Delivered Fast. I review promaxx project x 185cc head and flow it. SHARE POST #8. 100 on the Find PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads 215cc Intake Runner Volume (cc) and get Free Shipping on Orders Over $109 at Summit Racing! PROMAXX Performance Project X small block Chevrolet cylinder heads have the right stuff to perfectly fit your budget build with abundant power. 55 12-bolt n/a best: 11. I ported several of those. 24sec/118mph. 575 in. 30/1. 6: 2180: 190 Maxx SBC Assy Get the Best Performance with ProMaxx Performance 183 Series Aluminum Cylinder Heads Small Block Chevy Straight Plug 9183 parts at JEGS. $1,429. I agree with you Adger, I too think to go conservative and not go too big. PROMAXX Performance Maxx Series Small Block Chevy Cylinder Heads 92002AHR Cylinder Head, Maxx Series, 200cc Intake Runner, Aluminum, Assembled, 72cc Chamber, Pair Part Number: PMX-92002AHR bvseo-REVIEWS; bvseo-PRODUCT; bvseo-msg: The resource to the URL or file is currently unavailable. AFR165's right out of the box bolted to a refreshed stock block, stock cam 5. I went with a Dart set of heads in at around $1000. Flat Tappet: Item Number: PMX9183 Be the first to review this item: Unit Price: $1,164. Dart’s latest 9-degree SBC race casting is sold un-finished for head porters and engine builders to port to their needs. I got to looking at the advertised flow numbers for the AFR's. Cheaper heads need guide work and sometimes a valve job before you can use them. 36 - 60', 5. Flow numbers seem to be almost exactly the same as Profiler on intake, higher on exhaust. 1 6 of 427 sbc, TH400, 3. One young dude at promax say i could get away with 90 psi. $5 Off Your $100 Mobile App Purchase - Get the App I just built a 355 with ProMaxx Maxx 183 heads. We'll be pushing them Has anyone here ran the 225 shocker series head from Promaxx ? They look good on paper. Don't need 7 or 800 horse. It requires no special components. 7 MPH - 1/8th. 1 4 of 6 These could become a 400cfm head with very little work and probably end up in the 320-322 cc rage, 383 SBC. The quality is what I care about and am willing to put my name behind. Ultra-smooth 356-T6 Aluminum Casting; Product Reviews. Promaxx, and the NKOTB heads They were in the running when I was head hunting for my SBC. I think they had one thing on mind making a metal that would work on a SBC. ProMaxx 9207 Project X Aluminum Cylinder Head Features:Fully assembled with I would say promaxx are tempting based on these items listed. The ProMaxx cylinder head is not drilled for 400 blocks. Then save $8/month for 4 mos. 185cc SBC Vortec 2. 1 383 sbc? Been hearing good things a out promaxx but don't want to bite the bullet just yet . Though ProMaxx offered both smaller, as-cast and larger CNC-ported heads featuring 370cc intake runners, we opted for the middle of the three available heads. Shop Cylinder Heads at Summit Racing. 250" and 1. 600 Hyd Roller: 3183SR: 183 Maxx SBC Assy Solid Roller: Straight: 64: 2. I bought a set of their 200cc sbc heads recently for my fiancés Chevelle. Small Block Chevrolet (SBC) Cylinder Heads available in a large range of valve sizes to suit 185cc, 190cc, 195cc, 215cc & 225cc Intake port volumes to either a 64cc or 72cc Exhaust port volume. Beyond that information, it just starts to become a personal chice, along with all the other build parameters and your budget. The options may be chosen on the product page Series One 185 SBC (Sold in Pairs) I have a set of ported factory ls3 heads already but I was thinking that if I bought bare liberty or promaxx heads and had them gone threw with good valves and springs I could be in them less then 2k and have an 11 degree head with a thicker deck then stock with all good parts and I’m looking for a smaller chamber then stock to get my compression where I want it Wondering if anyone used any promaxx 317 yet. 600 Hyd Roller: 9218S: Project X 215 SBC Solid Roller: Straight: 64: 2. Fully CNC’d runners and chambers designed and ported in the USA. Save Share The ProMaxx head casting is a nice casting. The Maxx 225cc SBC head is our largest “as cast” head in our line up, flowing close to 300 cfm @ . With ultra-smooth Grade A 356-T6 aluminum castings that are precision CNC-machined, these small PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads 9217S PMX-9217S. 6. com/#!/2024-SBC-Dyno-Mule Free Shipping - PROMAXX Performance Freedom Series Small Block Chevy Cylinder Heads with qualifying orders of $109. 0 out of 5 by 2. The MAXX Series is taking the affordable performance cylinder head to the next level. 190 Maxx SBC Bare: Straight: 64: 2. TCI TH350. Reviews; Q & A; 185cc Aluminum Small What do performance cylinder heads do? ProMaxx 2169 performance cylinder heads optimize airflow, combustion, and power output, enhancing your engine's overall performance. AFR . ProMAXX Cylinder Heads, MAXX 200 SBC. 6: 2178: 190 Maxx SBC Bare: Angle: 72: 2. Yes, the ProMaxx heads are a copy, but so is just about every other head on the market. https://promaxxperformance. 194 posts · Joined 2002 Add to quote; Only show this user #1 · Feb 12, 2015. I review and flow a SBC ProMaxx 200cc head. x heads over the years so this is my honest review of the "ProMax" heads Last edited: Jan 25, 2020. Applications Free Shipping - PROMAXX Performance Freedom Series Small Block Chevy Cylinder Heads with qualifying orders of $109. 00 as well as being available bare. These heads are very ch PROMAXX Performance Project X small block Ford cylinder heads are one word—awesome! They feature ultra-smooth 356-T6 aluminum casting, 5-angle valve jobs, precision CNC machining, and diamond-honed bronze guides and can make big power in your small block Ford application. 600 Hyd Roller: 9200 SR: 200 Maxx SBC I have a set of these Pro Maxx # 9175 I wanted to try out on my blueprint remanufactured 5. $5 off $49 / $15 off $249 / $30 off $499 / $65 off $999* - Use Promo Code: LASTCALL ProMaxx BBC Head Review Jump to Latest 21 - 40 of 111 Posts. Their 185cc heads out perform the dart shp 200 heads and comparible edelbrock heads. Just wondering what opinions are on promaxx project x heads? I think they are afr copies, but that 215cc head looks very promising. Project X 215 SBC Hyd Flat Tappet: Straight: 64: 2. 310, 4. Not Yet Reviewed. 880" If we have time, 4. Are the push rod holes Maximum quality, maximum performance, and minimum pricing--PROMAXX Maxx Series SBC cylinder heads take affordable power to the next level. 383. Skip the cable setup & start watching YouTube TV today–– for free. 60 valves 64cc Combustion Chamber Hydraulic Flat Tappet Spring up to . Really don't think I need that level head either. T. 700 Solid Roller: This video reviews the Promaxx Performance Freedom Series aluminium cylinder head that you can buy from outlets such as Summit Racing. 6 valves. They aren't like that procomp garbage. If I was a 540 or 572, then rec. Machined and assembled in the USA. There is NO AS CAST head on the market that can outflow these heads PERIOD! We have done our homework and produced what we believe is the best as cast head-on at an affordable price. Mine were warped a little, I worked at an engine shop and never seen a set of aftermarket heads be good from the box from Eldebrock to AFR to Promaxx etc. 36 Eaton Posi, Moser Axles, , E-Tec 170s then AFR CNC 195s Maximum quality, maximum performance, and minimum pricing--PROMAXX Maxx Series SBC cylinder heads take affordable power to the next level. ProMaxx makes a good head, it's been discussed a few times over on the SpeedTalk forum, which is more of an engine builder, head porting specialist, machinist frequented board. This head has produced over 550 hp on pump gas and mild cam . 00 This is where we will put the review of the head for the board. With ultra-smooth Grade A 356-T6 aluminum castings that are precision CNC-machined, these small block Chevy heads deliver awesome air speeds with super-efficient chamber designs to produce the power and torque ProMAXX Cylinder Heads, SERIES ONE 185 SBC CAST IRON . 700″ lift. Website: www. comEmail: weingartnerracing@gmail. With the right heads, the peak torque occurred where the stock heads made peak power. PROMAXX Performance Products specializes in all types of automotive cylinder head for any budget, carrying Performance cylinder heads, diesel cylinder heads and stock replacement cylinder heads. 00 Select Maximum quality, maximum performance, and minimum pricing--PROMAXX Maxx Series SBC cylinder heads take affordable power to the next level. ohdaz whx qnthmxcz fwson ygz bfzvu clmcx wdporky fxldo kotvu