PFF25-1002G Front Wishbone Rear Bush Anti-Lift & Caster Offset kit is designed to fit the pressed-steel arms on the non-R models to not only restore driver feel and steering precision, but also provide anti-lift geometry, +0.5 of caster, and an increase in stiffness over OE parts. Using a two-piece dual durometer bush (Purple 80Aand Black 95A) and an in-house CNC machined bracket, this product is perfect for enhancing both the dynamic ability of your vehicle and your connection to the road.PFF25-1002G increases stiffness over OE rubber bushes by 40% in our Road Series Purple 80A and 95% with PFF25-1002GBLK Black Series 95A for Track/Competition use.