PAC Racing Springs 10 Degree Valve Lock - 8 mm Valve Stem - Standard Height - Black Oxide (Set of 16) 5013100226 cutting the amount of bushing

cutting the amount of bushing deflection in half

The Sparco Top+ SH-5 auto racing shoe is made from high-quality

Throughout 57 years of building the world's best competition instruments

1978-1987 Chevrolet El Camino CID 305 RWD

1963-1964 Facel Vega Facel III

PAC Racing Springs 10 Degree Valve Lock - 8 mm Valve Stem - Standard Height - Black Oxide (Set of 16) 5013100226 cutting the amount of bushingProduct Description: Valve Lock 10 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.