PAC Racing Springs 10 Degree Valve Lock - 5/16 in Valve Stem - Standard Height - Black Oxide (Set of 16) PAC-L8067-16 Auto Ventshade Boundary Chevy LS1 Engine 4

Boundary Chevy LS1 Engine 4

5% Para Aramid

73 and down carrier

screw-in air bleeds

Weather-resistant rubber seals and plastic end caps for superior protection

PAC Racing Springs 10 Degree Valve Lock - 5/16 in Valve Stem - Standard Height - Black Oxide (Set of 16) PAC-L8067-16 Auto Ventshade Boundary Chevy LS1 Engine 4Product Description: Valve Lock 10 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