Spring Shackle Bushing Mazda RX-4 1974-1978 Poly Bushings Spring Shackle Position: Rear From 4/73 Production Date Whiteline Synthetic Elastomer BushingsAfter extensive development and testing of materials that would offer strength...
After extensive development and testing of materials that would offer strength and durability, geometry retention and memory without the harshness, WHITELINE has created a progressive, long-chain Synthetic Elastomer that delivers the combined physical advantages of solid bushings, with the extreme flexibility characteristics of rubber