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Earl's Performance cylinder headbolt kits are made from premium quality 170,000 psi chromoly alloy steel (about 15 percent stronger than Grade 8). These headbolts are reusable and are the ideal way to upgrade the performance of your engine, and eliminate the hassle and cost of replacing OEM-style torque-to-yield style bolts each time the cylinder heads are removed. Order the kit recommended for your year, make, and engine application. Features include: * Material—chromoly alloy steel * Yield strength—170,000 psi * Finish—black oxide * Reduced wrenching size—provides extra socket clearance * Choose from 12-point or hex head-styles * Wide flanged head provides more support for the extra-thick chromoly washers * Includes premium headbolts, washers, and anti-seize lubricant * Sold in complete engine sets * Reusable headbolts and washers (not torque-to-yield)
( 8 )
$127.95
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$149.95
ARP High Performance Series head bolt kits are tough. They are rated at 180,000 psi--15 percent stronger than Grade 8 fasteners. They come available with a reduced wrenching hex head or 12-point head that help eliminate the need for valvetrain removal when re-torqueing cylinder heads.
( 1027 )
$102.99
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 )
$128.99
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$157.99
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.
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$245.99
$194.99
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$313.99
Fel-Pro headbolt kits contain a complete set of the highest quality headbolts and hardened washers available. They're cold-formed to ensure molecular integrity, then heat-treated prior to thread rolling and machining. Reduced-diameter bolt heads eliminate the need for valvetrain removal and facilitate cylinder head re-torquing. The bolts are available in a variety of head styles for fitment on specific vehicle and cylinder head applications.
( 216 )
$102.99
Edelbrock offers E-Series head bolt kits to install one set of cylinder heads. Each bolt kit includes the necessary bolts and washers for your application. E-Series bolts have a yield tensile strength of 190,000 psi for strong and reliable loading with generous filleting throughout to eliminate stress risers. Bolt threads are rolled after heat-treating for superior form and strength, while a small hex head provides extra space for socket clearance in tight situations. These cylinder head bolts have a durable black oxide finish with sealer and come with the distinctive Edelbrock "E" stamped into the hex head. Order the E-Series head bolt kit designed for your application needs.
( 4 )
$111.95
Pioneer performance cylinder head fasteners have the right stuff to bolt your heads securely. The fastener kits are available for thousands of applications—and all offer 8740 chromoly nickel material, heat-treating to 180,000 psi, centerless grinding, thread rolling after heat-treat, and cold-forming of the underhead radius. These processes mean that your Pioneer performance cylinder head fasteners will have the right material that delivers the right tensile and fatigue strength to complete your installation with confidence.
Not Yet Reviewed
$118.99
The Pro Series cylinder head bolts from ARP are cold-forged to ensure molecular integrity. They are heat-treated prior to thread rolling and machining, and are rated at a whopping 190,000 psi. The Pro Series are also available with hex and 12-point heads. All kits come complete with hardened parallel washers for even load distribution and accurate torque readings.
( 166 )
$152.99
Milodon head studs are required where maximum gasket loading and minimal wear and tear are exerted on the block threads. They are premium-grade and race-quality, created from aircraft-quality 8740 chromoly steel right in Milodon's own plant. These studs are ground and thread-rolled after heat treatment to ensure the exacting tolerances that Milodon requires for all of their fasteners. This ensures strength and consistent torque readings. The tensile strength of these premium fasteners is 190,000 psi, which is more than adequate for the most demanding applications. All kits come complete with 4130 heat-treated, parallel-ground washers and high-strength nuts. These studs are available for dozens of specific cylinder head style applications.
( 11 )
$128.95
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