PAC Racing Springs 10 Degree Valve Lock - 3/8 in Valve Stem - Standard Height - Black Oxide (Set of 16) 421997 a heavy duty pressure spring

a heavy duty pressure spring provides increased static pressure over stock clutches

Clutch Master Cylinder

or Block-Off Plate #MOR63471

The Centerforce (R) II Clutch Series utilizes a full facing disc with premium friction materials and a pressure plate with patented centrifugal weights (where applicable)

PAC Racing Springs 10 Degree Valve Lock - 3/8 in Valve Stem - Standard Height - Black Oxide (Set of 16) 421997 a heavy duty pressure springProduct Description: Valve Lock 10 Degree 3 8 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