Chevy BBC 454 12 Point Head Stud Kit Speedmaster rear-end assemblies are the

Speedmaster rear-end assemblies are the ultimate solution

and use lightening holes in all rod throws

Speedmaster shirts are the perfect way to let everyone know where you go for high performance aftermarket parts and accessories

The internal components are made from EN36 material as used in racing

All rockers feature large needle bearings and roller tips

Chevy BBC 454 12 Point Head Stud Kit Speedmaster rear-end assemblies are theSpeedmaster 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.