PAC Racing Springs 10 Degree Valve Lock - 8 mm Valve Stem - Standard Height - Black Oxide (Set of 16) 5CA Made in the USA of

Made in the USA of the highest quality materials

7/16 in Clevis

1 and FIA approved

Easy-to-adjust mechanical advance with supplied springs and stop bushings provide the ability to create a timing curve perfect for your engine

Recommended for heavier vehicles

PAC Racing Springs 10 Degree Valve Lock - 8 mm Valve Stem - Standard Height - Black Oxide (Set of 16) 5CA Made in the USA ofProduct 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.