Shocker 210 SBF CNC(Sold in Pairs) Shocker 210 SBF CNC. (Sold in Pairs) $ 1,792.00 – $ 2,500.00. 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. PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads. Cylinder Heads, Project X, Aluminum, Assembled, 64cc Chamber, 215cc …I review and flow a Promaxx Project x 200cc head. Transcript. Follow along using the transcript. Show transcript. Eric Weingartner. 27.3K subscribers. Videos. About. I review …More complex pieces with moving parts like heads though are a whole different ball game lol. My only concern is I may have to have them milled to keep my compression ratio though. I was at 10.14:1 with the .015" gasket but they recommend a .040" gasket for the aluminum heads.Build Sheet: Cylinder Head Spec Sheet ProMaxx Project X SB Ford casting with custom cnc porting, hand finished. Intended use: turbo, hyd roller, drag/street Intake port volume: 211cc Intake port MCSA: 2.45 @ pushrod Chamber volume: 63cc Intake valve: REV CL1644 Severe Duty 2.10” x 5.01” x 11/32”, 45* w/30* back cut.Part Type: Cylinder Head Application: ProMaxx Maxx Series Chevrolet Small Block Cylinder Head Material: Aluminum Bare or Assembled: Assembled Combustion Chamber Size: 64cc CNC Machined Combustion Chambers: No Intake Valve Angle: 23 Exhaust Valve Angle: 23 Intake Port Volume: 200cc CNC Machined Intake Port: No Intake Port Flow: 280 cfm @ …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 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. Jan 25, 2020 · 7,072. Location. Pauline, SC. Jan 25, 2020. #1. I have been working on a set of "ProMax" cylinder heads for the past number of weeks. This is the first set of this brand I have had to work on so I thought I would make public some of my findings. I don't know where these are really produced and I'm not going to guess. PROMAXX Performance Project X Small Block Ford Cylinder Heads 9207 Cylinder Heads, Project X, Aluminum, Assembled, 56cc Chamber, 210cc Intake Runner, Ford, Small Block, Pair Part Number: PMX-9207 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 options, as well as being available bare.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 9217S 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 hydraulic roller camshaft with a maximum valve lift of .600 in.Head gasket repairs can be expensive, but the cost can vary significantly depending on the cause of the issue and the type of repair needed. Knowing what factors impact the cost of a head gasket repair can help you understand why some repai...Project spreadsheets are a great way to keep track of tasks, deadlines, and resources for any project. They can help you stay organized and on top of your work, but it’s important to know what you’re getting into before you start using one.Maxx 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. 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.I do give every customer the best I can do. If you want high flow numbers I don't have them. My bench is conservative or honest. The one thing I don't like about myself is I don't get things done as fast as I would like. Feel free to call. Eric Weingartner. Weingartner Racing LLC. 918-520-3480. www.wengines.com.PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads - Free Shipping on Orders Over $109 at Summit Racing Filter Results by Vehicle Search New Vehicle Sort Sort By Default Sort 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 PageProMaxx Performance Project X Assembled Aluminum Cylinder Heads for Small Block Chevy (215cc) Project X Aluminum Cylinder Heads. Small Block Chevy. Intake Runner: 215cc. …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 ...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.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.Ultra-smooth 356-T6 Aluminum Casting; Competition 5 angle valve job; Hand Bowl Blending; Precision designed Runners; Large Spring pockets; 200cc intake runner 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 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 options, as well as being available bare.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 ...I just stumbled across the ProMaxx "Project X" SBC heads on Summit's site. Went to the ProMaxx site and checked them out, and they seem to be comparable to the …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 …Are you looking for a rental property near you? Finding the right place can be a daunting task, but with the right resources and information, you can get a head start on your search. Here are some tips to help you find rental listings near ...$1,429.00 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 Estimated Ship Date: Jan 1, 2024 Would you rather pick it up? Select Location Drop Ship Free Shipping Special OrderNov 22, 2022 · I ported the SBC Promaxx Project X 215cc head. This is the results and some insights. 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 ...0:00 / 18:05 Promaxx Project X 200cc Head Review With Real Flow Numbers Eric Weingartner 27.3K subscribers Subscribe 984 Share 8.7K views 10 months ago I review and flow a Promaxx...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.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 9206 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 hydraulic flat-tappet camshaft with a maximum valve lift of .575 in.Hemicrania continua headaches affect either the right or the left side of the head, but not both, and chronic migraine headaches affect either just one side of the head or both, according to Mayo Clinic. These are both types of long-lasting...ProMaxx 9185S 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 equivalent ProMaxx 9185S 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 equivalentAccording to Baby Center, toddlers hit themselves in the head as an act of frustration, self-punishment or both. Toddlers are not always able to express their anger, so they often turn violent in an attempt to do so.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. 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 …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.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 …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 …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. PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads 9217S. Cylinder Heads, Project X, Aluminum, Assembled, 64cc Chamber, 215cc Intake Runner, Chevrolet, …I just built a 355 with ProMaxx Maxx 183 heads. Engine runs great and not looking for new heads, but I was looking at the AFR 195 Enforcer heads. I had never seen them before. I got to looking at the advertised flow numbers for the AFR's. Maxx183's flow a little better at lower lifts, but they are pretty equal at .500.Are you looking for a new shaver head for your Norelco electric razor? If so, you’ve come to the right place. In this article, we’ll provide you with all the information you need to know about Norelco shaver replacement heads.Sep 6, 2017 · The final touch was an MSD distributor and ignition amplifier. Run with the ProMaxx heads, the 393 stroker produced 558 hp at 6,400 rpm and 512 lb-ft at 5,000 rpm. Peak power was raised by 171 hp and occurred 1,400 rpm higher, while peak torque jumped by 51 hp and occurred 1,500 rpm higher. Equipped with Hooker headers, the 393 stroker was run ... SKU: TFS-51403005. Trick Flow Specialties Stage 5 Track Max Hydraulic Roller Camshaft for SBF 302/351w Ford. Rough idle, strong top-end power. Basic Operating RPM Range - 3,400-7,00 RPM. Aftermarket intake, heads, and headers recommended. 3,000-3,500 rpm stall converter, 3.90 to 4.11 gears recommended.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-9217AShocker 225 SBC CNC(Sold in Pairs) Shocker 225 SBC CNC. (Sold in Pairs) $ 1,609.00 – $ 2,237.00. The Shocker 225 CNC is the ultimate 23 degree small block Chevy head. It requires no special components. Fully CNC’d runners and chambers designed and ported in the USA. Porting is equivalent to other companies more expensive port work. I just stumbled across the ProMaxx "Project X" SBC heads on Summit's site. Went to the ProMaxx site and checked them out, and they seem to be comparable to the Profiler All-American 210 heads. 2.08/1.6 valves. Flow numbers seem to be almost exactly the same as Profiler on intake, higher on exhaust. Price is about the same as Profiler used to be ...Brazier Race & Machine is now working with ProMaxx Cylinder Heads. Promaxx is an alternative choice for a moderately priced cylinder head with some outstanding features and options available in various versions. All versions are available bare, or with your choice of valve springs for flat tappet, hydraulic and mechanical roller camshafts.9186S: SBC 185 Assy Hyd Flat Tappet: STRAIGHT: 64: 2.02/1.6.575 Hyd Flat Tappet: 9187S: SBC 185 Assy Hyd Roller: STRAIGHT: 64: 2.02/1.6.600 Hyd Roller: 9188S A good shower doesn’t just get you clean; it also relaxes and refreshes the body and spirit. If your shower isn’t blissing you out, perhaps it’s time to upgrade to a shiny new shower head.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.ProMaxx is a good value for the money. ProFiler as-cast airflow rates rival the CNC street ported version of the AFR head, putting those two at the top of a flow test comparison list. ProMaxx's full CNC port head is quite good as well. Beyond that information, it just starts to become a personal chice, along with all the other build parameters ...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 Performance 9217A - Project X Assembled Aluminum Cylinder Heads for Small Block Chevy (215cc) (0) ... ProMaxx 2181HR Aluminum Cylinder Heads Features:Combustion Chamber - 64ccWeight - 55.00 lbsIntake Runner - 190ccExhaust Runner - 72ccIntake Valve Size - 2.02"Exhaust Valve Size - 1.60"Max. ...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. To that end, ProMaxx has two unique cylinder heads on display which are far from cookie-cutter. The first is an LS3 head, designed to work on small-bore engine combinations. “It has an LS3 runner that will fit on a 3.900-inch bore,” says Collins. “It’s got a .750-inch-thick deck, it has the raised valve cover rail, and is milled so you ...PROMAXX Performance Project X Small Block Ford Cylinder Heads. 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 …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 ...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 …AFR 165 - Available but low stock, seems to be the closest to restocking soon. Trickflow 170, - Not available, back order til April/May. Promaxx 180 - build to order, should be sent out in a few weeks. GT40 heads - definitely available, but not sure its worth the hassle/gain over the other options.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 9187S 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 hydraulic roller …$1,429.00 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 Estimated Ship Date: Jan 1, 2024 Would you rather pick it up? Select Location Drop Ship Free Shipping Special OrderMAXX 317 BBC(Sold in Pairs) MAXX 317 BBC. (Sold in Pairs) $ 1,564.00 – $ 2,879.00. The Maxx 317 is truly a rare breed in today’s market. An As Cast head that is just as efficient as competition’s CNC ported pieces. Independent flow …I have made the decision that I am going to go with Promaxx Project X 185 heads. I am impressed with the flow numbers. Does anyone out there have any experience with these heads. ... From what I have read they use to be the Patriot heads, but now are called Promaxx. Also the head gasket they recommend is the felpro 1003. Im sure it is a …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 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 equivalentProMaxx 9196A Project X 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 hydraulic flat-tappet camshaft with a maximum valve lift of .575 in.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.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.Shocker 225 SBC CNC(Sold in Pairs) Shocker 225 SBC CNC. (Sold in Pairs) $ 1,609.00 – $ 2,237.00. The Shocker 225 CNC is the ultimate 23 degree small block Chevy head. It requires no special components. Fully CNC’d runners and chambers designed and ported in the USA. Porting is equivalent to other companies more expensive port work.May 3, 2023 · Build Sheet: Cylinder Head Spec Sheet ProMaxx Project X SB Ford casting with custom cnc porting, hand finished. Intended use: turbo, hyd roller, drag/street Intake port volume: 211cc Intake port MCSA: 2.45 @ pushrod Chamber volume: 63cc Intake valve: REV CL1644 Severe Duty 2.10” x 5.01” x 11/32”, 45* w/30* back cut. 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°. 0:00 / 20:13 Promaxx Project X 185cc Head Review With Real Flow Numbers Eric Weingartner 27.1K subscribers Subscribe 381 Share 13K views 1 year ago I review promaxx project x 185cc...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 ShippingProMaxx 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°. The crown jewels of RHS are the Pro Elite line of heads. For big block Chevys, these aluminum heads are great for engines being built for drag racing thanks to their excellent list of features. RHS offers two different sizes of CNC ports on these heads. The first is designed for engines that are 468-540 cubic inches and features a 339cc …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. ProMaxx 9207 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 hydraulic roller …ProMaxx 9217S 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 hydraulic roller …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 on the ...Feb 12, 2022 · I review and flow a SBC ProMaxx 200cc head. PROMAXX Performance Freedom Series Small Block Chevy Cylinder Heads 2116. 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E, We have done our homework and produced what we believe is t, ProMaxx 9218S Project X Aluminum Cylinder Head Features: Fully asse, Checking out a pair of Promaxx 200cc heads I just purchased from, Details 210cc Intake Runner ProMaxx 9208 Project X Al, AFR 165 - Available but low stock, seems to be the clos, Part Number: N/A Category: Project X Series. Feature, Lowest Price Guarantee Add To Cart ProMaxx Performance 9186S Part, PROMAXX Performance Project X small block Chevrolet cy.