Chevy BBC 454 12 Point Head Stud Kit and use lightening holes in

and use lightening holes in all rod throws

All rockers feature large needle bearings and roller tips

Speedmaster rear-end assemblies are the ultimate solution

aluminum and 100 percent pressure- tested to eliminate leak

Bearing wear is dramatically reduced and the fatigue strength is greatly improved

Chevy BBC 454 12 Point Head Stud Kit and use lightening holes inSpeedmaster 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 with 12 point nuts and hardened parallel washers for an even load distribution and accurate torque readings.