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Trick Flow® PowerPort® Cleveland 225 Cylinder Heads for Ford 351C, 351M/400 and Clevor

Designed for high performance street/strip engines! Trick Flow® PowerPort® Cleveland 225 cylinder heads feature runners based on the OE Ford 2V design. The heads feature fully CNC competition ported runners with a premium high resolution surface finish for maximum, all-out performance The exhaust runners are raised .100" from the stock location to improve the short turn radius and dramatically improve exhaust flow, and a revised oil return system improves oil drain back and includes provisions for mating with Ford 351W blocks. PowerPort Cleveland 225 cylinder heads fit Ford 351C, 351M, and 400M engines out of the box. With minor machining, the heads also fit Ford 302/351W blocks to create a "replica" Boss 302 or a 351 "Clevor" engine. The heads are available fully assembled or as bare castings. Sold individually.

5.0 out of 5 stars ( 6 )

$1,599.99

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$1,749.99

Quicksilver Cylinder Heads

Quicksilver cylinder heads are ideal replacement components for many GM-style 4-cylinder and V8 engines in marine, circle track racing, RV, truck, and hard-to-find industrial applications. With exclusive Black-X valves, they are designed to be the most robust, durable, and toughest service cylinder heads available. Select the cylinders heads designed to fit your engine. Features and benefits: * Thicker castings * Improved combustion chamber for better burn characteristics * Premium springs and hardened seats on the intake and exhaust ports * Quicksilver exclusive Black-X valves -- Composite valves -- Stainless steel treated with a cobalt-chromium alloy and black plasma nitriding -- Contribute to a 42 percent reduction in valve wear compared to traditional stainless steel valves with hardened seats -- Longer engine life, especially in the presence of modern ethanol-blended fuels * Backed with a 1-year limited warranty

Not Yet Reviewed

$1,548.99

PROMAXX Performance Shocker Series Small Block Ford Cylinder Heads

PROMAXX Performance Shocker Series small block Ford cylinder heads are as good as it gets for performance heads. They feature ultra-smooth 356-T56 aluminum casting, and professionally designed runners and chambers that are meticulously CNC-ported. These heads flow over 328 cfm to easily support 725-plus horsepower. Shock the competition without breaking the bank by ordering a pair of PROMAXX Performance Shocker Series small block Ford cylinder heads. They are available assembled and bare. Features, items, and specs: * 210cc fully CNC-ported intake runners * 5-angle valve job * Diamond-honed bronze guides * Large spring pockets * Multiple spring options * Assemblies include 21-4N stainless one-piece, swirl-polished, back-cut valves, studs, and guide plates

5.0 out of 5 stars ( 1 )

$1,792.00

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$2,024.00

PROMAXX Performance Shocker Series Small Block Chevy Cylinder Heads

PROMAXX Performance Shocker Series small block Chevy cylinder heads are as good as it gets for 23-degree performance heads. They feature ultra-smooth 356-T56 aluminum casting, and professionally designed runners and chambers that are meticulously CNC-ported. These heads flow over 325 cfm to easily support 725-plus horsepower. Shock the competition without breaking the bank by ordering a pair of PROMAXX Performance Shocker Series small block Chevy cylinder heads. They're available assembled and bare. Order the model with options recommended for your year/make and engine application. Features, items, and specs: * 225cc fully-ported intake runners * 5-angle valve job * Angle or straight plug * Diamond-honed guides * Large spring pockets * Multiple spring options * Assemblies include 21-4N one-piece swirl-polished back-cut valves, studs, and guide plates

1.0 out of 5 stars ( 1 )

$2,020.00

PROMAXX Performance Maxx Series Big Block Ford Cylinder Heads

PROMAXX Performance Maxx Series big block Ford cylinder heads make upgrading or reviving your FE motor affordable. These heads feature ultra-smooth 356 T-6 aluminum casting, 5-angle valve jobs, precision CNC-machining, and diamond-honed bronze guides. Don't get stuck doing the typical upgrade/repair--kick it up a notch with a pair of professionally assembled PROMAXX Performance Maxx Series big block Ford cylinder heads. They also offer bare options. Features, items, and specs: * 170cc intake runners * Hand-blended bowls * Unshrouded chambers * Large spring pockets * Multiple valve sizes available * Multiple spring options * Assemblies will include 21-4N one-piece swirl-polished back-cut valves

1.0 out of 5 stars ( 1 )

$1,796.00

PROMAXX Performance Shocker Series Small Block Mopar Cylinder Heads

If you are a small block Mopar enthusiast, you know your choice for performance cylinder heads is limited. PROMAXX Performance Shocker Series small block Mopar cylinder heads are a fully CNC-machined. Don't be stuck with over-priced, under-performing cylinder heads. Let the PROMAXX Performance Shocker Series cylinder heads wake up your small block Mopar. Features, items, and specs: * 171cc fully-ported runners * 5-angle valve job * Diamond-honed bronze guides * Large spring pockets * Multiple spring options * 21-4N one-piece swirl-polished back-cut stainless steel valves are available