ARP Main Bolt sw20 and rev higher than your

and rev higher than your engine was designed to rev from the factory in stock trim

HKS Valve spring use the highest quality materials

The Mono Sport also has a touring setting which provide the finest ride comfort even on lowered vehicles or vehicles with a smaller tyre radius

Extensive testing has proven Eagle's two-piece forging superior to any one-piece forging on the market

ARP Main Bolt sw20 and rev higher than yourProduct Description There are many important reasons to use ARP main bolt kits, including the elimination of main cap walk and fretting, as well as protecting the threads in your engine block. These studs are manufactured in our own factory using the best materials, processes, designs and engineering. Every ARP main bolt kit exceeds the most stringent aerospace specifications. All kits come complete with hardened parallel ground washers and aerospace