Eaton Posi Differential 30 Spline 1.29in Axle Shaft Diameter 4.10 & Up Ratio Rear 8.875in
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 1971-1972 Buick Centurion Base 1968-1972 Buick Electra 225 1968-1972 Buick Electra 225 Custom 1964-1967 Buick Electra Base 1966-1967 Buick Electra Custom 1964,1970-1972 Buick Estate Wagon Base 1965-1967 Buick Gran Sport Base 1970-1972 Buick GS Base 1968-1969 Buick GS 350 Base 1968-1969 Buick GS 400 Base 1970-1972 Buick GS 455 Base 1970 Buick GS 455 GSX 1964-1972 Buick LeSabre Base 1965-1972 Buick LeSabre Custom 1964-1972 Buick Riviera Base 1965-1966,1971 Buick Riviera Gran Sport 1970,1972 Buick Skylark 350 1964-1972 Buick Skylark Base 1968-1972 Buick Skylark Custom 1964-1969 Buick Special Base 1964-1967 Buick Special Deluxe