The UMI Roto-Joint rear end housing bushing kit lets a GM 4-link fully articulate for 1965–1988 A- and G-body applications. Using Roto-Joints or rod ends with P/N 2999 the suspension moves bind-free for autocross, road racing or spirited back-road driving. The 6061-T6 aluminum housings come pre-greased with Synco Super Lube and install with a press fit retained by a spiral ring.
UMI Performance 65-88 GM A/G-Body Roto-Joint Rear End Housing Bushings