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Edelbrock Performer RPM aluminum cylinder heads feature threaded inserts in the rocker studs and exhaust manifold bolt holes for superior strength and durability. They also include hardened seats, bronze valve guides, and fully machined valve cover rails for a more consistent gasket seal. These heads offer improved power throughout the RPM range for greater throttle response and top-end horsepower. Countless options are available; order the model recommended for your vehicle and engine application.
( 164 )
$780.50
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$1,119.50
Chevrolet Performance cast iron Vortec cylinder heads will fit 1958 and later small block Chevy engines, and offer a 20 to 40 hp increase over earlier cast iron small block heads. Features include fast burn combustion chambers, and a high-velocity port design. They require the use of a Vortec-style intake and self-aligning rocker arms, and come complete with valves, springs, and retainers.
( 6 )
$795.65
Chevrolet Performance LSA cylinder heads offer high-strength cast aluminum casting for your supercharged application with premium steel intake and Inconel exhaust valves. Offering high strength, high flow, and high performance, LSA assembled cylinder heads provide an advantage to doing a build your way. Chevrolet Performance delivers those power-building attributes to you with a range of production-style aluminum heads.
( 2 )
$994.99
Chevrolet Performance L92 cylinder heads are production-style aluminum heads that provide great airflow and exceptional performance. Features include: * Manufactured from 319-T5 aluminum alloy * Aluminum performance head * Fits any LS family engine with 4.000 in. bore or larger * Solid stem intake and exhaust valves * .510 in. Max Lift valve springs * As-cast L92-style intake ports * D-shaped exhaust ports * As-cast combustion chambers * Angled spark plugs (14mm; 5/8 in. hex; 3/4 in. reach; taper-seat plugs) * 15 degree valve angle * Bolt-down-type rocker arms * Center-bolt valve cover hold-downs
Not Yet Reviewed
$999.99
On Sale
All Edelbrock aluminum cylinder heads feature threaded inserts in the rocker studs and exhaust manifold bolt holes for superior strength and durability. They also include hardened seats, bronze valve guides, and fully machined valve cover rails for a more consistent gasket seal. They offer improved power throughout the rpm range for greater throttle response and top-end horsepower. The intake and exhaust runners are CNC-machine profiled for superior flow and performance.
( 41 )
$1,087.50
$870.00
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$1,106.50
Fit any LS engine with Chevrolet Performance LS3 cylinder heads. Manufactured from aluminum alloy, these GM stock replacement heads are assembled with intake and exhaust valves, stem seals, retainers, springs, and locks. Great cylinder head airflow has always supplied the LS Series with exceptional performance. Retain that performance and save yourself time and worry by replacing your tired cylinder heads with Chevrolet Performance LS3 cylinder heads.
( 4 )
$1,069.76
PROMAXX Performance OE-replacement Jeep inline cylinder heads offer direct bolt-on power. Developed and designed from factory castings, these iron heads feature hardened valve seats and heavier-than-stock castings to resist cracking and warping. They replace your stock components and restore original performance. Once again, your rig will be readied to take on aggressive off-road adventures. The heads are available complete with valves and springs. Order the model recommended for your engine application.
( 3 )
$937.00
Edelbrock Performer RPM bare NHRA Stock/Super Stock cylinder heads deliver great throttle response and power from 1,500 to 6,500 rpm, and with winning results. Offering the best in quality and performance, these bare heads are cast and heat-treated in the Edelbrock Foundry and machined in their manufacturing facility. Designed with the latest computer technology, they have highly efficient ports and state-of-the-art combustion chambers shapes for improved performance throughout the rpm range with great throttle response and top-end horsepower. Edelbrock Performer RPM bare NHRA Stock/Super Stock cylinder heads include top-quality features, like threaded inserts in rocker stud and exhaust bolt holes for superior strength and durability, and manganese-bronze valve guides with ductile iron valve seats.
( 1 )
$782.50
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$1,041.50
PROMAXX Performance goes one up with their Vortec 185cc iron cylinder heads. Popular with street/strip enthusiasts and Circle Track racers, PROMAXX designed these heads to work well on 350-383 applications. They're available bare or assembled; both feature screw-in studs and large diameter spring pockets. In addition, they both accept centerbolt and perimeter bolt valve covers—and are drilled for Vortec and carbureted intake applications. Greater performance at the right price!
( 14 )
$822.00
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$1,022.00
Outfit your top end with a set of these assembled ATK High Performance aluminum cylinder heads for small block Chevrolet. They're cast, machined, and assembled with A356 aluminum alloy. The heads feature the latest port designs for maximum efficiency and increased power, and improved stock exhaust port location for better header fitment. ATK High Performance aluminum cylinder heads for small block Chevrolet include: * 2.020 in. stainless steel, swirl polished with undercut stem intake valves * 1.600 in. stainless steel, swirl polished with undercut stem exhaust valves * Manganese bronze valve guides * Alloy valve seats * 1.437 in. diameter valve springs (.600 in. max valve lift) * Chromoly 7-degree valve spring retainers * Single groove 7-degree valve locks * Valve spring locators * 5/16 in. flat pushrod guideplates * 3/8-24 in. rocker arm studs
Not Yet Reviewed
$798.99
PROMAXX Performance Freedom Series small block Chevy cylinder heads offer exceptional quality at an unbelievable price. Manufactured from high-quality aluminum, they are assembled with the finest components. Freedom Series cylinder heads feature one-piece stainless steel intake and exhaust valves, enhanced intake runners, and performance valve springs with steel retainers. They're available in straight or angle plug designs. Horsepower costs money. With Freedom Series small block Chevy cylinder heads, PROMAXX Performance offers you the opportunity to bolt on the power that you've been looking for, at the price you want.
( 65 )
$950.00
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$1,039.00
Ford Performance Parts Gen 3 Coyote cylinder heads provide increased intake and exhaust airflow when compared to earlier generation Coyote engines. Heads come fully machined and ready to install.
( 2 )
$884.99
ATK offers select parts for your build, including cylinder heads. They use them in their engine combinations and are available to complete your big block Chevy engine or upgrade existing components. ATK High Performance 315cc BBC cylinder head features: * A356 aluminum construction * Stainless steel intake and exhaust valves * Manganese Bronze valve guides * Viton® valve seal * Powder meatal valve seats * Steel retainers with 10-degree locks * Spark plug dimensions: 14mm x .708 in. with gasket seat
Not Yet Reviewed
$1,048.99
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 power and torque you've sought for your setup. Maxx cylinder heads feature 5-angle competition valve jobs, diamond-honed bronze guides, and hand bowl blending. They also offer these heads bare. Get superb out-of-the-box performance, without emptying your wallet, when you order PROMAXX Maxx Series small block Ford cylinder heads.
( 14 )
$979.00
PROMAXX Performance Series One small block Chevy cylinder heads are high-flowing heads at a great price. PROMAXX 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. Series One cylinder heads have the right stuff to perfectly fit your budget build with abundant power.
( 2 )
$864.00
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$950.00
These Chevrolet Performance High Output crate engine cast iron cylinder heads are designed for use with the Gen V and Gen VI design, 454 big block V8 crate engines. They feature a 118cc open combustion chamber with 2.18 in. intake valves and 1.88 in. exhaust valves with rectangular intake ports. The cylinder heads use 3/8 in. rocker arm holes for standard stud-mount type rocker arms.
Not Yet Reviewed
$1,047.74
ATK High Performance 250cc LS1/LS6 aluminum assembled engine cylinder heads are complete new builds. They include valves, valve springs, valve spring retainers, valve stem seals, and soft plugs. All threads are checked and repaired, if necessary; and all passages and part interfaces are pressure checked. Product specifications: * Material: A356 aluminum * Bolt count: 6-bolt head * Intake port volume: 250cc * Intake port dimension: 3.227 in. H x 1.119 in. W * Intake port location: Stock cathedral port * Intake valve size: 2.080 in. * Intake valve material: Stainless steel * Exhaust port volume: 105cc * Exhaust port dimension: 1.628 in. H x 1.722 in. W * Exhaust port location: .086 in. raised * Exhaust valve size: 1.60 in. * Exhaust valve material: Stainless steel * Combustion chamber size: 61cc * Valve cover bolt pattern: Perimeter bolt * Valve angle: 11 degree * Valve spring pocket diameter: 1.610 in. O.D. * Valve spring pac: 1905 dual spring (hydraulic roller) * Valve spring setup height: 1.800 in. * Valve spring closed pressure: 160 lbs. (with retainer) * Valve spring open pressure: 1.200 in., .600 in. lift, 425 lbs. / 1.150 in., .650 in., lift 445 lbs. (with retainer) * Valve spring max lift: .650 in. * Valve guide material: Manganese bronze * Valve seal material: Viton© * Valve seat material: Powder metal * Retainer material: Titanium * Deck thickness: .750 in. * Minimum bore diameter: 3.900 in. (will not fit stock bore 4.8L/5.3L) * Flat mill: .006 in. per cc * Spark plug dimensions: 14mm x .708 in. with tapered seat * Torque specifications per application based on factory or aftermarket bolts/studs
Not Yet Reviewed
$998.99
Maximum 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 and torque you need for the street or strip. Maxx cylinder heads feature 5-angle competition valve jobs, diamond-honed bronze guides, and hand bowl blending. Get out-of-the-box performance that kicks up the power without emptying your wallet--PROMAXX Maxx Series SBC cylinder heads.
( 23 )
$925.00
PROMAXX Performance Series One small block Ford cylinder heads are affordable, high-flow as-cast versions of fully CNC-ported heads. These heads feature ultra-smooth 356 T-6 aluminum casting, 5-angle valve jobs, precision CNC machining, and diamond-honed bronze guides. Put track-tested performance under your hood with a formidable pair of professionally assembled Series One small block Ford cylinder heads. They are available assembled or bare. Features, items, and specs: * 175cc as-cast intake runners * Multiple spring options * Assembled heads include 21-4N one-piece swirl-polished back-cut stainless steel valves, 3/8 in. studs, and adjustable guide plates
( 1 )
$979.00
Pro-Filer small block Chevy All American cylinder heads have a 23 degree valve angle, providing bolt-on compatibility for stock accessories. They're designed for all-around racing and are offered with 185cc, 195cc, 210cc, 235cc intake ports; 64cc, 68cc, 70cc, or 72cc chambers; and straight or angled spark plug locations. You can order the heads assembled or unassembled for engine builders. End pads are drilled and tapped for accessories, and bronze guides are included to reduce stem wear. Nearly 200 models are available; order the heads with options recommended for your application. Whether you're running on the street, strip, or track, equip your ride with Pro-Filer small block Chevy All American cylinder heads. Additional features: * Revised spark plug location to improve flame travel * Uses gasketed 3/4 in. reach plugs like NGK R5671-7 Series
( 4 )
$775.00
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$1,075.00
On Sale
AFR's 335cc BBC Enforcer cylinder heads feature their Permanent Mold "As-Cast" Technology surfaces on the intake runners, exhaust runners, and combustion chambers that allow for extremely accurate and repeatable port location/performance. These budget-friendly heads are perfect for your 509 to 540 cu.in. operating below 6,500 rpm. They come fully assembled with the identical components found in AFR's higher end CNC-ported cylinder heads—such as ARP rockers studs, PAC Racing springs, Viton® valve seals, AFR adjustable guide plates, machined bead valve locks (not stamped), hardened spring seats, and AFR's one-piece 8mm 21 4N stainless steel valves. Order the cylinder heads recommended for your year/make and engine application.
( 5 )
$1,023.75
$921.38
Summit Racing™ precision cast cylinder heads are made from tough A-356 aluminum alloy and feature Permanent Mold "As-Cast" technology. Port accuracy is unrivaled--meaning CNC porting is not required to provide superior flow. The result is CNC-ported performance at a fraction of the price! We start with precision CNC-finished faces and bolt holes for accuracy and fitment. American craftsmen expertly size and install the manganese bronze valve guides and interlocking ductile iron seats before finishing with a competition-grade valve job. From there, the decks are given a final pass for superior finish. They are finish-assembled in the USA with top-quality components like PAC Racing springs, fasteners, one-piece 21 4N stainless valves, machined locks, Viton® seals and chromoly steel retainers. The final result is the performance you want and Summit Racing™ quality you TRUST!
( 14 )
$899.99
No longer will fans of the small block Chevy have to choose between vintage looks or modern cylinder head power—Trick Flow® DHC™ 175 cylinder heads give you both! Made from premium grade, lightweight A356-T61 aluminum, DHC™ 175 heads feature the exterior styling and straight spark plug holes that deliver the nostalgic appearance of the original factory performance 186, 291,461,462 "double hump" or "camel back" castings that customers want. To keep with the vintage design, the heads are available with 69' later or without 68' earlier accessory bolt holes cast into them. 60cc CNC-profiled combustion chambers combined with a state of the art valve job and CNC blended bowl work under the valves and small cross-section intake runners promote low-rpm torque increases and boost high-rpm horsepower. The runners are finished with Trick Flow's® superior Fast As Cast® process that precisely duplicates the runner profile and performance levels of fully CNC-ported heads without the added machining cost. Ductile iron valve seats for use with unleaded fuel, stainless steel valves, bronze alloy valve guides, multi-angle valve seat machining, and decks and walls cast extra thick for increased casting strength and to provide extra room for porting round out the features. Trick Flow® DHC™ 175 cylinder heads are available fully assembled or as bare castings. Sold individually.
( 21 )
$849.99
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$874.99
Trick Flow® Super 23® 175 cylinder heads deliver performance that far exceeds the power capabilities of factory heads on 283-350 c.i.d. small block Chevy engines. It starts with the small cross section Fast as Cast® runners. They promote excellent port velocity for increased low end torque and have a profile that provides excellent flow for making high RPM horsepower on small bore engines. Modern CNC-profiled chambers promote combustion efficiency to maximize power with less ignition timing, reducing the potential for detonation. The result is more power and torque, better drivability, and greater throttle response from your street performance engine. The features don't end there. Trick Flow® Super 23® 175 cylinder heads have improved A356-T61 castings with 3/4" thick decks for added strength and durability. They also have a competition multi-angle valve job, angled spark plugs, and raised valve cover rails for improved rocker clearance and less potential for oil leaks. Heads are available assembled with premium components including stainless steel valves, bronze guides, 7° machined locks, chromoly retainers, and your choice of PAC Racing valve springs for flat tappet or hydraulic roller cams. Trick Flow® Super 23® 175 heads accept most original accessories. They are emissions-legal under CARB E.O. #D-747-1 for 1995 and earlier GM vehicles with Chevy 262–350 engines. Cylinder heads are available fully assembled or as bare castings. Sold individually.
( 1 )
$899.99
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