Cosworth Ultra High Performance 11mm Head Studs  20002440  E-mail this product to a friend Cosworth's Ultra High Performance 11mm Head Studs are essential for high performance engine builds. Heavy duty head studs reduce cylinder head movement in high boost or high compression engines optimizing cylinder head to block sealing. Special heat treat process includes heating in vacuum sealed furnace and quenched in a nitrogen chamber for precision control.   Cosworth Ultra High Performance Head Studs are manufactured from H11 tool steel with 260,000psi tensile strength and come complete with nuts and washers.     Manufactured with hex broach end for ease of installation. Regular Price: $499.00  On Sale For: $475.00  Quantity: