PAC Racing Springs 8 Degree Valve Lock - 5/16 in Valve Stem - Standard Height - Black Oxide (Set of 16) PAC-L8073-16 4087BK 5200 / 9200 RPM

5200 / 9200 RPM

157 tooth ring gear

cotters) and spring retainers allow for the use of higher RPM and more aggressive cam profiles without the loss of valve control

5" tape measures

3500 / 6600 RPM

PAC Racing Springs 8 Degree Valve Lock - 5/16 in Valve Stem - Standard Height - Black Oxide (Set of 16) PAC-L8073-16 4087BK 5200 / 9200 RPMProduct 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