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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.
( 1026 )
$67.99
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$89.99
Get consistent cylinder head clamping force from the cylinder head experts! Trick Flow® cylinder head bolt kits are made from premium-quality alloy steel with cold-formed hex heads and rolled threads and have a black oxide finish (except as noted). Each kit contains all of the hardware that you need to mount a pair of heads, including hardened washers.
( 50 )
$59.99
These Trick Flow® replacement valve guides are just like the originals. Made from premium materials and built to exacting tolerances, they replace your existing worn or damaged valve guides.
( 2 )
$59.99
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$94.99
Mahle Original fasteners deliver the clamping force necessary to seal the combustion chambers, as well as the oil and coolant passages--even at extreme temperatures and pressures. On your next cylinder head reassembly, use bolts designed to exact specifications for the best sealing solution--Mahle Original head bolt kits.
( 33 )
$52.99
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$73.99
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 )
$56.99
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$123.99
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 )
$81.95
S&S Cycle cylinder studs are the perfect replacement for your OEM or S&S cases. These steel head studs are black oxide coated and strong enough to use on the largest of V-twin engines. So next time you do a top end on your Harley-Davidson®, update those head studs with S&S cylinder studs.
Not Yet Reviewed
$55.76
Beck/Arnley cylinder head fasteners are perfect for replacing your import's stripped, broken, or lost cylinder headbolts. Don't worry about what thread size or length you need--Beck/Arnley cylinder head fasteners are specifically made for each application, for an exact fit every time. Order the set needed for your vehicle.
( 4 )
$55.99
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$95.99
Valve guides on Harley-Davidson® motorcycles are essential for proper valve operation. S&S Cycle valve guides are designed to provide optimal engine performance by accurately aligning the valves, minimizing friction, dissipating heat generated during combustion, and preventing valve stem wear, ultimately leading to better power delivery, fuel efficiency, and engine longevity. The valve guides are typically made from materials like bronze or cast iron, each with its own wear characteristics and heat transfer properties and help to maintain the integrity of the combustion process by guiding the valves to open and close correctly. Select the S&S Cycle valve guides recommended for your bike's application needs. Features and benefits: * Proper valve alignment—valve guides precisely position the valve stems, allowing them to open and close correctly at the right time, crucial for efficient air intake and exhaust gas expulsion * Reduced friction—the smooth surface of a good valve guide minimizes friction between the valve stem and the guide, reducing wear and heat generation * Heat dissipation—the material of the valve guide is designed to conduct heat away from the valve stem, preventing excessive overheating which can damage the valve * Valve stem protection—by guiding the valve stem accurately, the valve guide prevents the valve from contacting other engine components, reducing potential damage * Improved engine performance—with proper valve operation facilitated by the guides, the engine can achieve optimal power and efficiency * Extended engine life—well-maintained valve guides contribute to a longer engine lifespan by minimizing wear on critical components like the valve stems and valve seats Important considerations regarding valve guides: * Material selection—valve guides are typically made from materials like bronze or cast iron, each with its own wear characteristics and heat transfer properties * Clearance—maintaining the correct clearance between the valve stem and the guide is vital to prevent excessive friction and wear * Regular maintenance—periodic inspections and replacements of valve guides are necessary, especially when experiencing symptoms like decreased engine power, excessive oil consumption, or unusual engine noises
Not Yet Reviewed
$53.06
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