3000 - 1965-1987 GM Polyurethane Rear End Housing Replacement Bushings T1 Hood Louver Since most GL-5 gear oils

Since most GL-5 gear oils for differentials are too slippery for manual transmissions

The upper control arms feature mild steel mounting points

A spring is a spring right

GM 12346190

100% Made in USA

3000 - 1965-1987 GM Polyurethane Rear End Housing Replacement Bushings T1 Hood Louver Since most GL-5 gear oilsUMIs high durometer polyurethane bushings replace the factory rubber rear end housing bushings. After many years of weather and abuse the factory rubber bushings tend to dry rot, crack and harden which can lead to decreased ride quality and performance. The UMI polyurethane bushings replace the two upper control arm rear end differential bushings the bushings that stay attached to the rear end ears. New rear end housing bushings are an excellent