Speedmaster PCE279.1007 Chromoly Head Bolt Kit for Chevy BBC

Chevy BBC 454 Chromoly Head Bolt Kit PCE 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