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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
PROMAXX Performance designed and developed these cylinder heads from the GM 6.5 diesel casting. They are cast iron direct bolt-on replacements for your 6.5L diesel engine. The assembled heads have straight intake bolt holes in the cylinder head, and will typically use a one-piece intake manifold. Order the model recommended for your Chevy or GMC truck.
( 8 )
$538.00
Dart SHP Special High Performance cylinder heads provide an affordable option for those who desire the weight savings of aluminum heads for a performance street engine. These units are manufactured from A356-T6 aluminum and are designed to work with most off-the-shelf components. SHP heads are available with your choice of 64cc or 72cc combustion chambers—and come in both 180cc and 200cc intake runner ports that are precision-cast to offer excellent flow and power without the need for CNC-machined porting. They feature optimized chambers for increased combustion efficiency, as well as multi-angle intake seats. The cylinder heads' radiused exhaust seats dramatically increase their performance, and the manganese bronze valve guides increase their life.
( 16 )
$599.99
ATK high performance LS3/L92 25cc as cast aluminum cylinder heads are the perfect budget option for your next LS build. These fully assembled heads are capable of making over 600 hp naturally aspirated out of the box and will come loaded with upgraded components. The springs are set up to be used on up to .650 in. lift camshafts. No reason to swap parts on your new heads when running an upgraded cam! -- Features and benefits: * Bronze valve guides * Dual valve springs for .650 in. max lift * CNC-finished faces and bolt holes for extreme accuracy * 355-T6 high density aluminum * Machined for screw in studs and guide plates * All factory components will fit without modification -- Cylinder Head Specifications INTAKE: * Intake Runner Volume (cc): 252 * Intake Port Location: Standard * Intake Valves Included: Yes * Intake Valve Diameter (in): 2.160 in. EXHAUST: * Runner Volume (cc): 78.8 * Exhaust Valve Diameter (in): 1.600 in. * Exhaust Valves Included: Yes * Exhaust Runner: No * Port Shape: Round * Exhaust Port Location: Standard COMBUSTION CHAMBER: * Combustion Chamber Volume (cc): 69.4 * CNC-Machined Combustion Chamber: No VALVE SPECS: * Intake Valve Angle: 12 degrees (3 degrees rolled) * Exhaust Valve Angle: 12 degrees (3 degrees rolled) * Valve Guides Included: Yes * Valve Guide Material: Manganese Bronze * Valve Seats Machined: Yes * Valve Seat Machine Style: 5-Angle * Valve Seat Material: Chrome Nickle * Valve Stem Seals Included: Yes * Valve Stem Seal Style: Viton® Fluoroelastomer SPRINGS: * Valve Springs Included: Yes * Maximum Valve Lift (in): .650 in. * Spring Pressure Open: 370 @ 1.150 * Spring Pressure Closed: 142 @ 1.800 * Outside Diameter of Outer Spring (in): 1.29 in. * Damper Spring Included: Yes * Number of Springs per Valve: Dual * Retainers Included: Yes * Retainer Material: Chromoly Steel * Locks Included: Yes * Lock Style: 7 Degree ROCKER ARMS: * Rocker Arm Studs Included: No * Rocker Arms Included: N/A * Rocker Arm Nut Thread Size (in): 8 x 1.25 * Rocker Arm Nuts Included: No MISC: * Head Style: Assembled * Cylinder Head Material: Aluminum * Cylinder Head Finish: Natural * Spark Plug Style: Standard * Cover Mounting Style: Standard * Steam Holes Drilled: No * Oiling Style: Through Pushrod * Machined for O-Ring: No * Heat Crossover: No * 10mm Accessory Bolt Holes Machined On Ends of Heads
Not Yet Reviewed
$748.99
PROMAXX Performance Cummins 6BT cylinder heads are designed and developed using factory Cummins 6BT castings. These replacement cylinder heads feature castings thicker than standard OE specifications in crack-prone areas for added durability. They're generously offered assembled with valves, valve seals, springs, retainers, and locks. Improve the already impressive reliability and longevity of your Cummins turbodiesel with PROMAXX Performance 6BT cylinder heads.
( 4 )
$711.00
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 )
$701.50
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$780.50
Ford Performance Parts 7.3L Godzilla cylinder heads are genuine Ford OE-assembled right side and left side units. They feature cast aluminum construction with 62.4cc combustion chambers and production valve springs. Additional specs: * Valve stem diameter: 8mm * Intake valve diameter: 55.13mm * Intake valve seat angle: 45 degrees * Exhaust valve diameter 42.53mm * Exhaust valve seat angle: 50 degrees
Not Yet Reviewed
$709.99
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
ATK offers select parts for your build, including cylinder heads. They use them in their engine combinations and are available to complete your small block Ford engine or upgrade existing components. ATK High Performance 205cc SBF aluminum 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 7-degree bead lock keepers * Spark plug dimensions: 14mm x .750 in. with gasket seat * Head bolt diameter: 1/2 in.
Not Yet Reviewed
$698.99
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 )
$650.00
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 )
$511.00
ATK offers select parts for your build, including cylinder heads. They use them in their engine combinations and are available to complete your small block Ford engine or upgrade existing components. ATK High Performance 185cc SBF aluminum 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 7-degree bead lock keepers * Spark plug dimensions: 14mm x .750 in. with gasket seat * Head bolt diameter: 1/2 in.
Not Yet Reviewed
$648.99
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
Manufactured by ARP, Edelbrock head bolt kits contain a complete set of the highest quality head bolts and hardened washers available. They are cold-formed to ensure molecular integrity and heat-treated prior to thread rolling and machining. Reduced-diameter bolt heads eliminate the need for valvetrain removal to facilitate cylinder head re-torquing. Hardened and parallel-ground washers are included, and they're rated at 170,000 psi.
Not Yet Reviewed
$627.95
On Sale
Airflow Research developed these 185cc SBF Enforcer cylinder heads for maximum small block Ford performance. They're manufactured from tough but lightweight A356 aluminum and feature 185cc intake runners and 64cc combustion chambers. Enforcer heads feature a 0.325 in. deck, stock valve locations, and are designed for blocks with a minimum bore of 4.000 in. The heads are available bare or fully assembled with stud mount rocker mounting.
( 21 )
$767.55
$690.80
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 )
$624.99
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$709.99
On Sale
AFR 210cc LS1/LS2/LS6 Enforcer cylinder heads are available in standard and small bore applications. They feature 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. The budget-friendly heads are perfect for your OEM engine operating below 6,300 rpm. Fully assembled Enforcer models include the identical components found in AFR's higher end CNC-ported cylinder heads—such as PAC Racing springs, Viton® valve seals, machined bead valve locks (not stamped), hardened spring seats, and one-piece 8mm 21 4N stainless steel valves. The heads are available without any parts for the DIY. Sold as a single piece, two heads are required per engine.
( 2 )
$780.15
$562.80
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$702.14
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
On Sale
Deliver power-building airflow to your engine with Summit Racing™ Vortec cast iron cylinder heads. These heads outflow the early model small Chevy heads with wide-open intake runners, efficient combustion chambers, and a high-performance valve job. They are made from a strong cast iron alloy that makes them less brittle than comparable Vortec heads on the market. For performance and great value, select the Summit Racing™ Vortec cast iron cylinder heads preferred for your build.
( 74 )
$549.99
Welcome to a new class of high performance cylinder heads--BluePrint Muscle Series! These aluminum heads are assembled with the perfect match of components for outstanding, trouble-free performance. Plus, they give you more power behind the wheel and in your wallet! These all-cast heads are designed for hydraulic flat tappet and hydraulic roller cam engines with hefty intake runners, stainless steel valves, Viton® seals, and dual springs. BluePrint Engines stand in front of the class, offering both performance and cost-conscious enthusiasts a powerful alternative--Muscle Series cylinder heads.
( 86 )
$699.00
On Sale
AFR 200cc SBC 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 350 to 400 cu. in. operating below 6,000 rpm. They come fully assembled with the identical components found in their higher end CNC-ported cylinder heads, such as ARP rockers studs, Melling Racing springs, Viton® valve seals, AFR adjustable guide plates, machined bead valve locks, hardened spring cups and ductile iron seats, and their one-piece 8mm 21 4N stainless steel valves. The AFR 200cc SBC Enforcer cylinder heads are available in straight or angle plug, assembled or bare.
( 2 )
$789.60
$710.64
FLOTEK's 200cc small block as-cast ported chamber cylinder heads feature design by Jones Engineering, with 23-degree runners making impressive horsepower. Their power is ideal for street-strip usage and will post exceptional flow numbers right out of the box. The heads are available assembled or bare. Order the model with options recommended for your engine application. FLOTEK 200cc small block Chevy cylinder heads deliver the performance you're looking for! Notes, features and benefits: * This item is not sold as a pair; this is a single cylinder head * Versatile 200cc intake ports * 64cc combustion chamber * Phosphorous bronze valve guides * High-nickel valve seats * Ends already milled and drilled for accessories * Offered in solid or hydraulic cam design
( 18 )
$629.00
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$669.00
FLOTEK 276cc LS3 cylinder heads feature as-cast high-flow intake runners that flow significantly better than the stock LS3 heads. The ports are in the stock location, so no special valvetrain parts or rocker arms are required. These heads are 15 degree, which is the same as the stock cylinder heads—no special pistons are required. They will work on any LS block that has a 4 in. bore or larger. FLOTEK 276cc LS3 cylinder heads combine high performance and high quality at a value price. Select from bare or assembled models.
( 2 )
$539.00
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$774.00
On Sale
AFR 175cc Small Block Mopar Blue Hornet cylinder heads, part of their Performance lineup, feature an "as cast" surface on the intake and exhaust runners, as well as the combustion chamber for optimal performance, and an enhanced water jet design to ensure superior cooling in crucial areas. These innovative heads offer exceptional value, available as a "no parts" head or fully assembled with the premium components found in AFR's top-tier cylinder heads. They are a perfect choice for anyone looking to upgrade from factory iron pieces. Select the AFR Mopar head(s) preferred.
( 1 )
$627.90
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