Eaton Posi Differential 30 Spline 1.32in Axle Shaft Diameter 2.73 & Up Ratio Fr/Rr 8.5in / Rr 8.6in

The Eaton Posi limited-slip differential is the perfect way to control traction in street rods, light duty pickups and all types of tarmac running race cars. Featuring pyrolytic carbon clutches, rebuildable design, net-forged gears for added strength and seamless, automatic operation.This Part Fits: Year Make Model Submodel 1973-1975 Buick Apollo Base 1975 Buick Apollo SR 1988-1996 Buick Century Custom 1988-1989 Buick Century Estate Wagon 1988-1993,1996 Buick Century Limited 1991-1996 Buick Century Special 1991-1996 Buick Commercial Chassis Base 1988-1989 Buick Electra Estate Wagon 1988-1990 Buick Electra Limited 1988-1990 Buick Electra Park Avenue 1989-1990 Buick Electra Park Avenue Ultra 1988-1990 Buick Electra T-Type 1988-1991 Buick LeSabre Base 1988-1996 Buick LeSabre Custom 1988-1990 Buick LeSabre Estate Wagon 1988-1996 Buick LeSabre Limited 1991-1996 Buick Park Avenue Base 1991-1996 Buick Park Avenue Ultra 2004-2007 Buick Rainier CXL 2004-