ProMaxx 9195A Project X Aluminum Cylinder Head Features: Cast from 356-T6 ultra-smooth aluminum with larger valve spring pockets and runners designed to be both accurate and precise Angled spark plug holes use a 14mm .750 in. reach spark plug such as Autolite AR3934 (sold separately) or equivalent A set of heads will be $1995 shipped in the lower 48. Each set will be built to order for customer. Mr. Foxwell will be the only one doing the work. The base price includes: Parts: New Castings. Choice of 2.250 or 2.300" intake and 1.880 Exhaust. PAC Springs for Hyd or Solid Roller.Mar 5, 2019 · aaks38 Discussion starter · Mar 5, 2019. I was planning to reuse my Gt40x heads but have enough funds for a head change. I was planning to install the promaxx 9175 180cc heads on a DSS 331 and its just a street car, so am wondering if these heads would fit the bill. Im noticing these have better flow numbers than the Tw170 but not sure of ... ProMaxx 9208 Project X Aluminum Cylinder Head Features: Fully assembled with valve springs, steel valve spring retainers, Viton valve seals, 3/8 in. rocker arm studs, and guide plates Valve springs for use with a solid roller camshaft with a maximum valve lift of .700 in. 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. ProMAXX Performance has designed a complete new line of performance heads that meet or exceed the big names in the industry.Mar 11, 2015 · I have the ProMaxx 190cc, 64cc combustion chamber heads on my 350. On Jegs they were only $773 for the assembled pair, when on Summitracing they were $900 something. They're working good for me, but you want bigger runners. Definitely compare the 2 websites for best price. blp226. 75gmck25 · #9 · Oct 16, 2018. I looked at Promaxx heads, but finally bought the Blueprint H8002K heads, which are about the same price. I have standard dished pistons in a GM crate 350, so it limited the compression ratio I could achieve. I also have 4.10 gears, TH350 and stock 31" tires.ProMaxx 9198TA Project X Cylinder Head Features: Fully assembled with valve springs, Titanium valve spring retainers, Viton valve seals, 3/8 in. rocker arm studs, and guide plates; Valve springs for use with a solid roller camshaft with a maximum valve lift of .700 in.1stLove Discussion starter · May 22, 2020. These 190cc heads are on Summit for $1010 for a pair. Normally I would have classed them with the ProMaxx, E-Street and Flotek heads, which all have their issues, but the reviews on them are surprisingly positive. These heads are also used on the BluePrint 306 & 347s that seem to make …ProMaxx SBF 210cc CNC Ported Cylinder Heads. $ 1,435.00. The Shocker 210 CNC SBF heads are tops in the industry. Compare performance and price and you will see it is no contest. Flowing over 328 cfm through only a 210cc runner will make the power you need from your big cubic inch small block Ford. Go out and shock the competition. XXTREME 260 LS3 Rectangle Large Bore. (SOLD IN PAIRS) $ 1,682.00 – $ 3,035.00. The XXTREME LS 260 is the big boy on the block for as-cast LS Head technology. This head is for large bore power. Dyno results produce 700 HP plus on pump gas.ProMaxx 9205 Project X Aluminum Cylinder Head Features: Cast from 356-T6 ultra-smooth aluminum with larger valve spring pockets and runners designed to be both accurate and precise. Uses a 14mm .750 in. reach spark plug such as NGK R5671A-7 (sold separately) or equivalent.The flow numbers are correct for both heads. The only difference between the Series One 175’s and the Maxx 180’s is the Maxx 180”s are bowl blended and work around the guide if needed (sometimes there is some casting flash that needs to be removed). The “lip” from the bowl to the seat is very minimal on the Series One heads …ProMaxx 9209 Project X Aluminum Cylinder Head Features: Fully assembled with valve springs, Titanium valve spring retainers, Viton valve seals, 3/8 in. rocker arm studs, and guide plates Valve springs for use with a solid roller camshaft with a maximum valve lift of .800 in.These rectangular port iron heads from Summit Racing offered surprising bang for the buck. The Summit Racing head upgrade improved the power output of the 496 from 630 hp and 577 lb-ft to 688 hp ...A word on Promaxx... they're an offshore casting and the cheaper versions are certainly about the same as the rest of the 250-260cfm heads, but I've been eyeballing these: PROMAXX Performance 9207 PROMAXX Performance Project X Small Block Ford Cylinder Heads | Summit RacingI have the ProMaxx 190cc, 64cc combustion chamber heads on my 350. On Jegs they were only $773 for the assembled pair, when on Summitracing they were $900 something. They're working good for me, but you want bigger runners. Definitely compare the 2 websites for best price. blp226.PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads 9217S. Cylinder Heads, Project X, Aluminum, Assembled, 64cc Chamber, 215cc Intake Runner, Chevrolet, …ProMaxx Performance Project X Bare Aluminum Cylinder Heads for Small Block Chevy (185cc) Project X Bare Aluminum Cylinder Heads. Small Block Chevy. Intake Runner: 185cc. Spark …ProMaxx Performance Products, LLC, Rainbow City, Alabama. 5,967 likes · 6 talking about this · 9 were here. Performance Cylinder Heads Locally Owned and Operated.....Jason Collins Call us at... ProMaxx Performance Products, LLCMaximum quality, maximum performance, and minimum pricing--PROMAXX Maxx Series SBC cylinder heads take affordable power to the next level. 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 …ProMaxx 9218A Project X Aluminum Cylinder Head Features: Fully assembled with valve springs, steel valve spring retainers, Viton valve seals, 3/8 in. rocker arm studs, and guide plates; Valve springs for use with a solid roller camshaft with a maximum valve lift of .700 in.Feb 9, 2017 · ohio. Looking to dig into the 70 this spring. Old 189 heads are pretty well shot, don't think aluminum is the way to go for a car that sits so much, iron heads preferred. See good and bad comments on these Jegs store brand heads. (Promaxx 2151) Everything I'm looking for in new heads. Looking for some up to date reports on out of the box quality. Details 215cc Intake Runner ProMaxx 9215S Project X Aluminum Cylinder Head Features: Cast from 356-T6 ultra-smooth aluminum with larger valve spring pockets and runners designed to …Jul 23, 2022 · AFR Enforcer 185 VS Promaxx 180's. Kicking around cylinder head options for my 351w project, which head is better for a stock displacement pump gas 351? Won't spin it past 6000rpm, want good torque and midrange. Hydraulic flat tappet off the shelf cam, long tubes and Victor JR with a carb. MAXX 210 BB MOPAR. (Sold in Pairs) $ 1,173.00 – $ 1,439.00. Mopar Nation now has options. Our BB Mopar 210 has given the Mopar enthusiasts a great power producing head at a price that cannot be beat. Spring Options. Add to cart. Part Number: N/A Category: MAXX SERIES. Features.PROMAXX Performance 9207 PROMAXX Performance Project X Small Block Ford Cylinder Heads | Summit Racing Free Shipping - PROMAXX Performance Project X Small Block Ford …75 posts · Joined 2021. #4 · Jan 21, 2021. kjb302ho said: thats a big negative. promaxx are great heads for the money, they come with a good valve train and pac springs. I bought my second pair over black friday. Good to know. I just bought a set of Promaxx 180 cc heads with the springs that say good up to .600 lift.ProMaxx 9208 Project X Aluminum Cylinder Head Features: Fully assembled with valve springs, steel valve spring retainers, Viton valve seals, 3/8 in. rocker arm studs, and guide plates Valve springs for use with a solid roller camshaft with a maximum valve lift of .700 in. Both Flotek and Promaxx can make big power as well. From Chads site. 505 BBC. 315cc FloTec heads. Throats sized and SSR polished, 2.300/1.880 valves, 13.7-1, Ported Sniper JR, 268 cam, under .700 lift, 1050 QF carb 743@5300 and [email protected] out a pair of Promaxx 200cc heads I just purchased from Jegs. Ordered them at 5:00pm on Friday and received them at 11:00am Saturday morning. Damn g...ProMaxx 9198TA Project X Cylinder Head Features: Fully assembled with valve springs, Titanium valve spring retainers, Viton valve seals, 3/8 in. rocker arm studs, and guide plates; Valve springs for use with a solid roller camshaft with a maximum valve lift of .700 in.PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads. Cylinder Heads, Project X, Aluminum, Assembled, 64cc Chamber, 215cc Intake Runner, Chevrolet, Small Block, Pair. See More Specifications | Check the Fit.Ls XXTREMESeriesThe XXTREME Series is our newest line performance cylinder head. It features professionally designed runners and chambers meticulously designed in the U.S.A. At PROMAXX, we provide our …Project X SBF 210. (SOLD IN PAIRS) $ 1,266.00 – $ 2,292.00. The Project X 210 Ford is in one word “AWESOME” over 319 cfm in an as cast head is unbelivable. This head will make BIG power in your SBF application. Our new swirl designed chamber is the difference. Couple that with a state of the art NEW casting and you have a home run. Get the Best Performance with ProMaxx Performance 200 Series Aluminum Cylinder Heads Small Block Chevy 9200 parts at JEGS. Shop Now at the Guaranteed Lowest Price! ... The ProMaxx 723-9200 cylinder head uses '86 and older style intake manifolds. Answered by: jshook. Date published: 2023-03-02. can-I-get-these-heads …To zero deck this or nearly so is important to get the squish/quench clearance into the range of .035 to .045 inch. There are two ways to do this one is to mill the block’s head deck by .020 to .025 inch or to use a raised crown piston usually those are .020 inch as they leave .005 for deck clean up.PROMAXX Performance Cylinder Heads - Free Shipping on Orders Over $109 at Summit Racing Filter Results by Vehicle Search New Vehicle Sort Sort By Product Line (a-z) Product Line (z-a) Part Number (a-z) Part Number (z-a) Price (low-high) Price (high-low) New Arrivals Records Per Page Home Cylinder Heads Product Results Filter by VehicleWe have done our homework and produced what we believe is the best as cast head-on at an affordable price. All performance series heads sold in pairs! Project X SBC 185 (SOLD IN PAIRS) $ 1,069.00 - $ 1,996.00 (SOLD IN PAIRS) $ 1,083.00 - $ 2,003.00 Project X SBC 215 (Sold in Pairs) $ 1,114.00 - $ 2,016.00 Project X SBF 185 (SOLD IN PAIRS)ProMaxx Performance Project X Assembled Aluminum Cylinder Heads for Small Block Ford (210cc) ProMaxx Performance 9207 Part Number: 723-9207. ... ProMaxx Performance Project X Assembled Aluminum Cylinder Heads for Small Block Chevy (215cc) $1,429.00 Ships Monday FREE ShippingThe MAXX Series is taking the affordable performance cylinder head to the next level. There is no comparison in the market. Our new ultra smooth casting made of Grade A 356-T6 aluminum is precision CNC machined to create the perfect platform for our new runner and chamber designs. This combined with our 5 angle competition valve job, diamond ...Find PROMAXX Performance Maxx Series Small Block Ford Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! Maximum quality, maximum performance, and minimum pricing—PROMAXX Maxx Series SBF cylinder heads take affordable power to the next level. With ultra-smooth Grade A 356-T6 aluminum castings that are precision machined, these small block Ford heads deliver awesome ...With our tuning finally dialed in, the ProMaxx BBC heads demonstrated their worth on the 572 stroker by producing peak numbers of 850 hp at 6,800 rpm and 719 lb-ft of torque at 5,500 rpm. That’s what we call getting Maxxed Out! Sources: ARP, Arp-bolts.com; ATI, Atiracing.com; COMP Cams, compcams.com; CP Pistons/Carrillo Rods.ProMaxx Project X 92198S Aluminum Cylinder Heads Features: Cast from 356-T6 ultra-smooth aluminum with larger valve spring pockets and runners designed to be both accurate and precise. Straight spark plug angle uses a 14mm .750 in. reach spark plug such as Autolite AR3934 (sold separately) or equivalent.ProMaxx 9218S Project X Aluminum Cylinder Head Features: Fully assembled with valve springs, steel valve spring retainers, Viton valve seals, 3/8 in. rocker arm studs, and guide plates Valve springs for use with a Solid roller camshaft with a maximum valve lift of .700 in.Promaxx maxx series heads review in my opinion these heads are well worth the money very nice looking heads and nice machine work in valves.#afr #dart #edelb...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. GM Vortec Cylinder Heads in a 185cc/64cc available in bare or assembled. Small Block Ford (SBF) Cylinder Heads in a 5 angle 2.02/1.60/60cc. Ford 6.0L ...PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads. Cylinder Heads, Project X, Aluminum, Assembled, 64cc Chamber, 215cc …If buying and spending over $2800 otb it's not gonna be promaxx or a liberty head. Guy is running Promaxx LS3 heads on a 408 with a smaller Hydraulic roller below .250 degrees of duration @ 14 points of compression making 580ish thru a automatic. Wanting 140mph and a 9 sec slip.ABOUTProMaxxPerformance. We are a family owned business that began in 2012 by purchasing the remnants of Patriot Performance and Alabama Cylinder Head Exchange. We specialize in all types of cylinder heads, from diesel to performance. Our performance line has become a passion. Our mission is to provide the best performing cylinder heads …Oct 1, 2019 · Both Flotek and Promaxx can make big power as well. From Chads site. 505 BBC. 315cc FloTec heads. Throats sized and SSR polished, 2.300/1.880 valves, 13.7-1, Ported Sniper JR, 268 cam, under .700 lift, 1050 QF carb 743@5300 and 851@7300. Series. The Shocker CNC Series is our top of the line performance cylinder head. It features professionally designed runners and chambers meticulously CNC ported in the U.S.A. Unlike most of our competitors, we don’t offer different quality CNC designs. At PROMAXX, we provide our elite series at prices that make our competition cringe.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. ProMAXX Performance has designed a complete new line of performance heads that meet or exceed the big names in the industry.PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads. PROMAXX Performance Project X small block Chevrolet cylinder heads have the right stuff to perfectly fit your budget build with abundant power. The economical "As-Cast" aluminum versions feature ultra-smooth 356-T6 casting, precision machining, and an array of assembled …71350SS. · #20 · Sep 18, 2015. steelcomp said: From the first day GM built the small block Chevy and the big block Chevy, everything has been a copy. There is nothing new under the sun. The Brodix is a copy, the Dart is a copy, the AFR is a copy, and so on and so on.ProMaxx Project X 9197A Aluminum Cylinder Heads Features: Fully assembled with valve springs, steel valve spring retainers, Viton valve seals, 3/8 in. rocker arm studs, and guide plates Valve springs for use with a hydraulic roller camshaft with a maximum valve lift of .600 in. Maxx 171 SB Mopar(Sold in Pairs) Maxx 171 SB Mopar. (Sold in Pairs) $ 1,415.00 – $ 1,964.00. The Maxx 171 SB Mopar heads have finally given SB Mopar enthusiasts a choice. It not only out performs the competition; it is at a price that Mopar owners cannot believe.aaks38 Discussion starter · Mar 5, 2019. I was planning to reuse my Gt40x heads but have enough funds for a head change. I was planning to install the promaxx 9175 180cc heads on a DSS 331 and its just a street car, so am wondering if these heads would fit the bill. Im noticing these have better flow numbers than the Tw170 but not sure …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. The new swirl designed chamber is the difference. …Dec 20, 2020 · Have a few weeks until next test and tune so. Decided to swap out the Trickflow heads to ProMaxx because the Tricflows clear the 86 flat top pistons and the ... PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads 9217A Cylinder Heads, Project X, Aluminum, Assembled, 64cc Chamber, 215cc Intake Runner, Chevrolet, Small Block, Pair Part Number: PMX-9217ALarge Spring pockets. 215cc intake runner. Diamond honed guides. Chamber unshrouded. Machined and Assembled in the USA. Assemblies feature 21-4N Stainless 1 pc Swirl polished back cut valves, studs and guide plat. Flow Data @ 28″ water. Mar 18, 2015 · cstraub. 4434 posts · Joined 2009. #6 · Mar 18, 2015. 1988montecarloss said: anybody here run the promaxx (former patriot) heads? specifically the 2117 or 2121 225cc runner versions? thinking of picking some up for a budget solid flat tappet 350. shoot for maybe 500 crank hp, rev to 6800-7000, single plane intake, 4150 holley 750DP. PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads. PROMAXX Performance Project X small block Chevrolet cylinder heads have the right stuff to perfectly fit your budget build with abundant power. The economical "As-Cast" aluminum versions feature ultra-smooth 356-T6 casting, precision machining, and an array of assembled …ProMaxx 9215S Project X Aluminum Cylinder Head Features: Cast from 356-T6 ultra-smooth aluminum with larger valve spring pockets and runners designed to be both accurate and... Straight spark plug angle uses a 14mm .750 in. reach spark plug such as Autolite AR3934 (sold separately) or equivalent ... ProMaxx Performance Project X Assembled Aluminum Cylinder Heads for Small Block Chevy (215cc) Project X Aluminum Cylinder Heads. Small Block Chevy. Intake Runner: 215cc. Spark Plug: Angled. Valves: 2.08 in. Int./ 1.60 in. Exh. w/8mm Stems. Valve Angle: 23°. If you love to get rid of clutter, you probably don’t save old magazines. But what about if you have to get your hands on an article for a research project or personal interest? If you can’t head to the library, there are other ways to get ...Project X SBF 185. (SOLD IN PAIRS) $ 1,229.00 – $ 2,085.00. The Project X 185 Ford is in one word “AWESOME” over 319 cfm in an as cast head is unbelivable. This head will make BIG power in your SBF application. Our new swirl designed chamber is the difference. Couple that with a state of the art NEW casting and you have a home run. Series. The Shocker CNC Series is our top of the line performance cylinder head. It features professionally designed runners and chambers meticulously CNC ported in the U.S.A. Unlike most of our competitors, we don’t offer different quality CNC designs. At PROMAXX, we provide our elite series at prices that make our competition cringe.Ultra-smooth 356-T6 Aluminum Casting; Competition 5 angle valve job; Hand Bowl Blending; Precision designed Runners; Large Spring pockets; 200cc intake runnerMaxx 180 SBF(Sold in Pairs) Maxx 180 SBF. (Sold in Pairs) $ 979.00 – $ 1,565.00. The SBF Maxx 180 is an as cast head that beats the competition. Don’t let the size fool you, flowing over 260 cfm, this head makes real power. It puts out up to 20 hp over the competition. Spring Options.ProMaxx CNC Ported Ford SB (289-351W) Aluminum Heads These full CNC ported heads are what the small block Ford stroker engine wants and needs. The professionally designed CNC port flows like the top brands in the industry over 325 cfm. Compare flow numbers and then look at the price.ProMaxx Performance Project X Bare Aluminum Cylinder Heads for Small Block Ford (210cc) Project X Bare Aluminum Cylinder Heads. Small Block Ford. Intake Runner: 210cc. Spark Plug: 14mm .750 Reach. Seats Installed for: 2.08 in. Int./1.60 in. Exh. Valves w/8mm Stems. Valve Angle: 20°.Cylinder Heads Ford SB, AFR, Brodix Track 1F Aluminum Ford SB Heads, Canfield Aluminum Ford SB Heads, Dart, Edelbrock, Patriot Performance Freedom Series Ford SB Heads, World ... ProMaxx Ford SB Aluminum Heads : TrickFlow CNC Ported Aluminum Ford SB Heads : World Windsor/Windsor Jr. Cast Iron Ford SB Heads : Top End Engine …The MAXX Series is taking the affordable performance cylinder head to the next level. There is no comparison in the market. Our new ultra smooth casting made of Grade A 356-T6 aluminum is precision CNC machined to create the perfect platform for our new runner and chamber designs. This combined with our 5 angle competition valve job, diamond ...Promaxx bought Patriot, and sells them still as their "Freedom" series. This is NOT that cylinder head. This is an all new casting, with incredible build quality for the price. I bought them complete for $875 from jegs. They are cast of high quality A-356-T6 aluminum, and have approximately 3/4" thich decks.ProMaxx Performance Project X Bare Aluminum Cylinder Heads for Small Block Ford (210cc) Project X Bare Aluminum Cylinder Heads. Small Block Ford. Intake Runner: 210cc. Spark Plug: 14mm .750 Reach. Seats Installed for: 2.08 in. Int./1.60 in. Exh. Valves w/8mm Stems. Valve Angle: 20°.Maxx 200 SBC. (Sold in Pairs) The Maxx 200 is the ultimate “as cast” head available that produces CNC type flow number, flowing over 280cfm. This head has produced over 550 hp on pump gas and mild cam .383. Available with multiple spring options; Hyd Flat tap, Hyd Roller, Solid and Solid Roller. The Maxx 200 is the ultimate “as cast ... PROMAXX Performance Vortec 185cc Iron Cylinder Heads 2151. ( 13 ) Part Number: PMX-2151. $1,022.00.A set of heads will be $1995 shipped in the lower 48. Each set will be built to order for customer. Mr. Foxwell will be the only one doing the work. The base price includes: Parts: New Castings. Choice of 2.250 or 2.300" intake and 1.880 Exhaust. PAC Springs for Hyd or Solid Roller.Promaxx bought Patriot, and sells them still as their "Freedom" series. This is NOT that cylinder head. This is an all new casting, with incredible build quality for the price. I bought them complete for $875 from jegs. They are cast of high quality A-356-T6 aluminum, and have approximately 3/4" thich decks.Jul 17, 2023 · I give the dyno results of testing many different manifolds with the Promaxx Project X 215cc heads.Contact information: [email protected] wengine... ProMaxx 9215S Project X Aluminum Cylinder Head Features: Cast from 356-T6 ultra-smooth aluminum with larger valve spring pockets and runners designed to be both accurate and precise Straight spark plug angle uses a 14mm .750 in. reach spark plug such as Autolite AR3934 (sold separately) or equivalentProMaxx 9218A Project X Aluminum Cylinder Head Features: Fully assembled with valve springs, steel valve spring retainers, Viton valve seals, 3/8 in. rocker arm studs, and guide plates Valve springs for use with a solid roller camshaft with a maximum valve lift of .700 in.Promaxx maxx series heads review in my opinion these heads are well worth the money very nice looking heads and nice machine work in valves.#afr #dart #edelb...Maximum quality, maximum performance, and minimum pricing—PROMAXX Maxx Series SBF cylinder heads take affordable power to the next level. With ultra-smooth Grade A 356-T6 aluminum castings that are precision machined, these small block Ford heads deliver awesome air speeds with super-efficient chamber designs to produce the …Maxx 171 SB Mopar(Sold in Pairs) Maxx 171 SB Mopar. (Sold in Pairs) $ 1,415.00 – $ 1,964.00. The Maxx 171 SB Mopar heads have finally given SB Mopar enthusiasts a choice. It not only out performs the competition; it is at a price that Mopar owners cannot believe.Aug 2, 2022 · I give an honest review of the Promaxx Project X 215cc head. ProMaxx 9208 Project X Aluminum Cylinder Head Features, Series One 185 SBC. (Sold in Pairs) $ 830.00 – $ 1,431.00. The 185cc series , PROMAXX Performance Project X Small Block Chevrolet Cylinder Head, ProMaxx Performance 9217A - Project X Assembled Aluminum Cylinder Hea, ProMaxx 9215S Project X Aluminum Cylinder Head Features: Cast from 356-T6 ultra-smooth aluminu, PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads. PROMAXX Performance Project X small block Ch, First off if your motor is only 355 cid, or even 383 cid y, Small Block Chevy ideling at 1400rpm.. 12-1 compression,, ProMaxx Performance Project X Assembled Aluminum Cylinder Hea, PROMAXX Performance Project X Small Block Chevrolet Cyli, Promaxx Project X 185cc Head Review With Real Flow Numbers. , PROMAXX Performance Project X Small Block Chevrolet Cylinder Head, A budget head on a 434 is going to peak way early and disa, PROMAXX Performance Project X Small Block Chevrolet Cyl, ProMaxx Performance Project X Assembled Aluminum Cylinder Heads for Sm, Cylinder Heads Ford SB, AFR, Brodix Track 1F Aluminum Ford, This is Part 13 of my Ford 331 stroker motor rebuild.PROMAXX Maxx Ser, Wildouc · #13 · Jan 2, 2022. dynoflo said:.