PAC Racing Springs 1300 Series Circle Track Dual Valve Spring - 670 lb. - 1.150 in Coil Bind - 1.430 in OD (Set of 16) CHOP3LG These LONG-TUBE headers fit GM's

These LONG-TUBE headers fit GM's 1958-1964 X-Frame vehicles equipped with a SB Chevy (Gen 1) engine

sport and outdoor equipment applications

The Gen 3 utilizes high capacity fuel bowls which feature 20% more fuel capacity to eliminate starvation

we are excited to announce the Universal 2-1/16" Gauge Pillar Adapter for the CS/CS2/CTS/CTS2 products

PAC Racing Springs 1300 Series Circle Track Dual Valve Spring - 670 lb. - 1.150 in Coil Bind - 1.430 in OD (Set of 16) CHOP3LG These LONG-TUBE headers fit GM'sProduct Description: Valve Spring 1300 Series Circle Track Dual Spring 670 lb in Spring Rate 1. 150 in Coil Bind 1. 430 in OD 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