DIFF CTR TRAC-LOCK FORD 9in 28spl LOADED

9-Plus's Trac-Lock Pre-Loaded Clutch Type 28 spline Differential transfers power to non-slipping axles through a spring-loaded clutch. This design enables limited slippage, which allows the vehicle to make turns without binding. As torque is applied the pre-load increases the traction. It has a Nodular Iron case with extra support material in critical areas. The clutch material is quality Raybestos for long, dependable life, and fits all 9in rearends and is for heavy duty application on heavy duty cars, trucks and off-highway use. This product requires the use of the 9-Plus Friction Modifier (NIN99012).