PAC Racing Springs 8 Degree Valve Lock - 3/8 in Valve Stem - Standard Height - Black Oxide (Set of 16) ATMP23852 Designed for race applications requiring

Designed for race applications requiring additional extreme pressure additives

Forged Billet Aluminum Transmission Crossmember

Chevrolet 396-454

x 2 1/4 in

Combine the two together and you now have one of the coldest air charges possible and a octane monster running race gas

PAC Racing Springs 8 Degree Valve Lock - 3/8 in Valve Stem - Standard Height - Black Oxide (Set of 16) ATMP23852 Designed for race applications requiringProduct Description: Valve Lock 8 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 methods.