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Summit Racing™ Extreme Duty main cap studs are engineered to withstand the stress and abuses that high-horsepower engines endure. These fastener kits come with all necessary studs, nuts, washers, lubricant, and instructions to ensure maximum performance and reliability. Order the hardware recommended for your year/make and engine application. Extreme Duty fasteners feature: * 190,000 psi tensile strength minimum * High-strength chromoly steel utilized for all products * Precision manufacturing processes ensure consistent product performance * All studs are twice straightened to guarantee straightness * Threads are rolled after heat treatment for high strength * Tensile and yield strength tested after thread rolling * Uniformly applied black oxide surface finish * Anti-rust oil coating to protect fasteners from corrosion
( 3 )
$239.99
$149.99
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$226.99
ARP High Performance Series main bolts are rated at 180,000 psi and a popular premium replacement for OEM fasteners. Designed to meet the exacting standards and demands of professional engine builders, ARP bolts are forged from 8740 chromoly steel and feature a reduced wrenching head, large underhead radius, and rolled threads for the utmost in reliability. The threads are rolled after heat-treating which gives them about 2,000 percent better fatigue strength than most main bolts that are threaded prior to heat-treating. Hardened parallel-ground washers are included with each kit.
( 174 )
$102.99
Big-time clamping force for your connecting rods! Manley replacement connecting rod bolts feature a .0005 to .0070 in. interference fit to guarantee rod cap alignment and actually strengthen the connecting rod. They are available in ARP2000 alloy with an 8740 chromoly steel. Nuts and lubricant are included.
( 5 )
$203.41
Clearance
Cylinder head bolts play a crucial role in creating a tight seal between the cylinder head and the engine block, ensuring proper compression and preventing any leaks of combustion gases or coolant. Ajusa offers an extensive selection of meticulously crafted cylinder head bolt sets designed to provide optimal performance and durability. They will maintain a strong and reliable connection, contributing to the overall efficiency, performance, and longevity of your engine, while maintaining structural integrity and optimal operation of the engine's combustion chamber. Select the bolt sets designed for your vehicle.
( 1 )
$121.99
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