UMI polyurethane rear end bushings: stronger, better ride, USA-made. 2001 Pontiac Firebird If your strut brand is

If your strut brand is not listed

Based on customer requests for a high performance offering for the street/track enthusiast

there is no need to remove the control arm from the vehicle

This additive can reduce the break-in temperatures by as much as 50 degrees F

UMI Performance offers a hardware kit for installation that includes all necessary Grade 8 hardware except shock mount bolts

UMI polyurethane rear end bushings: stronger, better ride, USA-made. 2001 Pontiac Firebird If your strut brand isUMI offers high durometer polyurethane bushings to replace the factory rubber rear end housing bushings. These bushings are designed to improve ride quality and performance by replacing the worn out and hardened factory bushings. The kit includes two bushings and two washers to prevent lateral movement. Made in the USA, these bushings are a great upgrade for both street and track vehicles.