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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 )
$1,069.73
ARP Pro Series cylinder head studs are cold-forged to ensure molecular integrity. They're heat-treated prior to thread rolling and machining. ARP Pro Series kits are also available with 12-point nuts, and all studs come complete with hardened parallel washers for an even load distribution and accurate torque readings. With hundreds of models ready to ship, these cylinder head fasteners can be ordered for virtually any style engine.
( 787 )
$788.99
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$1,044.99
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
VEGE Remanufactured cylinder heads are a popular choice for performance and value. With its advanced and efficient production process, backed by more than eight decades of experience, VEGE is able to supply remanufactured cylinder heads with a level of quality that equals that of new OEM products—at extremely competitive prices. The rebuilt cylinder heads are carefully inspected, cleaned, and then fully machined and assembled with top-of-the-line components. Unless otherwise noted, the assemblies include a cast iron or aluminum cylinder head, intake and exhaust valves, valve springs, retainers, locks, stem seals, rocker arm studs, and more. Many heads include rocker arms. Nearly a thousand models are available, for fitment on countless applications.
( 40 )
$755.99
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$816.99
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
PRW cylinder head stud kits offer heavy-duty fasteners, along with 12-point nuts and washers for Ford Powerstroke engines. These replacement studs are machined from 4135 chromoly steel and finished with a black oxide. They provide superior clamping power, compared to the stock bolts—which will solve the problem of head gasket failure caused by increased cylinder pressure.
( 1 )
$782.96
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