Chevy BBC 454 Chromoly Head Bolt Kit Speedmaster cast iron brake calipers

Speedmaster cast iron brake calipers include calipers

They do this using a unique design in which cooling tubes draw cool air through the transmission fluid

The main difference is that there is an open area under the plenum chamber

They are designed to ensure belt retention at high rpm

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

Chevy BBC 454 Chromoly Head Bolt Kit Speedmaster cast iron brake calipersSpeedmaster 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.