PAC Racing Springs 10 Degree Valve Lock - 11/32 in Valve Stem - 0.050 in More Height - Black Oxide (Set of 16) 1239272 If you ever need advice

If you ever need advice or technical help

Part Number: 550-849

slugs and elongate the holes

Edelbrock AVS2 Series or Performer Series Carb 500-650cfm

Chevrolet: Bel Air 62 - 69 5

PAC Racing Springs 10 Degree Valve Lock - 11/32 in Valve Stem - 0.050 in More Height - Black Oxide (Set of 16) 1239272 If you ever need adviceProduct Description: Valve Lock 10 Degree 11 32 in Valve Stem 0. 050 in More 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