Speedmaster PCE279.1002 Head Bolt Kit for Chevy SBC

Chevy SBC 350 Head Bolt Kit (Suits: Std Or PCE Heads) Speedmaster cylinder head fasteners are made from aircraft quality 8740 high tensile strength chromoly steel and 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. All kits come complete hardened parallel washers for an even load distribution and accurate torque readings. Made from aircraft quality 8740 high tensile strength chromoly steel Cold-forged to ensure molecular integrity