Whiteline 1982-1990 GMC S15 Transmission - Mount BushingBrand Whiteline Part Number W93472 Category Engine Components Engine Mounts Condition Brand New Original Manufacturer Packaging Soft factory bushings whilst they do a good job of not transmitting engine vibration, they do create vague and unresponsiveness in the vehicles drive train. Under hard acceleration, the engine and transmission rotates, Whiteline engine mount bushings work in conjunction with the OE rubber bushing giving your car better