ZZP ATS-V Differential Bushing Lockout Set Bolts While heat shields are supposed

While heat shields are supposed to keep heat in

Compatible with vehicle/system voltages up to 16V

Flowmaster

Carbon Neutral

2004+ Grand Prix (fronts are KYB Excel-G) (339089 Front/334228 Rear)

ZZP ATS-V Differential Bushing Lockout Set Bolts While heat shields are supposedOur ZZPerformance differential bushing lockout set installs quickly and easily into your stock rubber bushings. The OEM rubber bushings feature voids to aid in reduction of NVH and comfort, however they significantly hinder performance. By filling those voids with our lockout you can increase stiffness without the downsides of a solid metal bushing replacement. Installation of the lockouts improve rear end stability and can lead to better launches,