PAC Racing Springs 7 Degree Valve Lock - 8 mm Valve Stem - Standard Height - Black Oxide (Set of 16) XB1LG Two Mufflers

Two Mufflers

1981-88 Thunderbird & Cougar

GMC: Sierra 1500 19 - 19

Flanges fit Peterson pulleys

a CNC Press Brake

PAC Racing Springs 7 Degree Valve Lock - 8 mm Valve Stem - Standard Height - Black Oxide (Set of 16) XB1LG Two MufflersProduct Description: Valve Lock 7 Degree 8 mm Valve Stem Standard 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 methods.