PAC Racing Springs 7 Degree Valve Lock - 8 mm Valve Stem - 0.050 in More Height - Black Oxide (Set of 16) PowerTrax Traction Systems Got a stock LS engine

Got a stock LS engine

Double checked low-speed valving design with

Records highest rpm reached during race

This exhaust is not for the faint of heart

We strive to deliver superior quality for the recreational athlete or World Champion

PAC Racing Springs 7 Degree Valve Lock - 8 mm Valve Stem - 0.050 in More Height - Black Oxide (Set of 16) PowerTrax Traction Systems Got a stock LS engineProduct Description: Valve Lock 7 Degree 8 mm Valve Stem 0. 050 in More Height Steel Black Oxide Set of 16 Traditional Springs are made from the same size (Diameter) wire throughout the helix of the spring. PAC Racing Springs has partnered with technology leaders in order to provide this advanced new tapered wire product. Tapered wire allows for a true progressive and dual rate without reducing spring travel and increasing weight from traditional