TSP GM LS7.750 Lift Dual PAC Valve Spring Kit Titanium Retainers & Shims

The all new TSP. 750 spring kit featuring PAC Racing 1209X valve springs is the newest offering in valve spring technology with the latest processes and material for maximum spring life. PAC Racing is a leader in valve spring technology, so it was only natural to team up with the best in the valve spring […]