GM 9.5" 33 Spline TorqueWorm LSD Limited Slip Differential They use silicon aluminum bi-metal

They use silicon aluminum bi-metal construction

Speedmaster has designed these main cap girdles to reinforce the alignment of the main caps in high performance applications and counter the limited webbing and weaknesses of those stock blocks

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

These Speedmaster alternator brackets are constructed from billet aluminum for durability and can be used with several different alternators

Designed to bolt onto our aluminum center sections and used with our various housing end applications

GM 9.5" 33 Spline TorqueWorm LSD Limited Slip Differential They use silicon aluminum bi-metal