PAC Racing Springs 8 Degree Valve Lock - 5/16 in Valve Stem - Standard Height - Black Oxide (Set of 16) PAC-L8073-16 SRK-E46H or retarded 4 degrees

or retarded 4 degrees

Uses integrated motor mounts for maximum weight reduction

Gasket 9340 to allow adequate clearance between carburetor neck and air cleaner base

base tune easily created via handheld Wizard

PAC Racing Springs 8 Degree Valve Lock - 5/16 in Valve Stem - Standard Height - Black Oxide (Set of 16) PAC-L8073-16 SRK-E46H or retarded 4 degreesProduct Description: Valve Lock 8 Degree 5 16 in 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