Brake Rotor Rear Left Drilled Slotted 12.375" Dia. 2.785" Center These Speedmaster billet shifter arms

These Speedmaster billet shifter arms are a great way to dress up your GM vehicle

They are ground and thread-rolled after heat treatment to ensure the exacting tolerances that Speedmaster requires for all of their fasteners

Upgrade a standard C4

heat-treated to the highest Rockwell hardness available

Speedmaster water pumps have a bigger impeller and larger cavity size to flow 40 percent more coolant than stock

Brake Rotor Rear Left Drilled Slotted 12.375" Dia. 2.785" Center These Speedmaster billet shifter armsSpeedmaster makes brake rotors for a variety of applications in cross drilled and or slotted styles. These rotors are made from high quality materials to exacting standards for perfect fit and function, making them a great choice for your disc brake conversion.