Chevy BBC 454 Chromoly Head Bolt Kit let a Speedmaster aluminum Competition

let a Speedmaster aluminum Competition series radiator give your high-powered race car the advantage

These Speedmaster aluminum pulleys are made from a 356 aluminum alloy that is heat-treated to T-6 specs

These MidAir Series Manifolds includes a 4150 Series 1200 CFM Billet Throttle Body

chrome plated for a shiny finish

Speedmaster cast iron brake calipers include calipers

Chevy BBC 454 Chromoly Head Bolt Kit let a Speedmaster aluminum CompetitionSpeedmaster 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.