GM 8.875" 12 Bolt 12P Car 30 Spline C-Clip LSD Limited Slip Differential The Speedmaster high output technology

The Speedmaster high output technology coil produces up to 70% more spark energy than stock coils with outstanding reliability

Our EFI systems provide excellent throttle response throughout the RPM range along with smooth engine operation

Designed to last in street and racing applications

Speedmaster Electric Vacuum Pump can be mounted on or off the engine in various positions and can even provide a pneumatic vacuum supply as a stand-alone system

GM 8.875" 12 Bolt 12P Car 30 Spline C-Clip LSD Limited Slip Differential The Speedmaster high output technologyThe TorqueWorm is a torque biasing 6 pinion gear type limited slip unit. This is a preloaded unit allowing for a faster reacting unit. The use of 6 pinion gears means the stress on gears is spread over a greater surface area, reducing the load on all internal components. The internal components are made from EN36 Material as used in racing. The outer cases made from 8620 Chrome Nickel Moly steel and the case hardened for long life and improved