PAC Racing Springs 1300 Series Drag Race Dual Valve Spring - 813 lb. - 0.985 in Coil Bind - 1.300 in OD Brake Caliper four vacuum ports for all

four vacuum ports for all necessary vacuum accessories

For use in modular SLP Cat-Back systems

1982-1990 Plymouth Horizon

V-Drive clutches are open for cleaner and cooler operation

000 psi more tensile strength than the more commonly used 356 alloy

PAC Racing Springs 1300 Series Drag Race Dual Valve Spring - 813 lb. - 0.985 in Coil Bind - 1.300 in OD Brake Caliper four vacuum ports for allProduct Description: Valve Spring 1300 Series Drag Race Dual Spring 813 lb in Spring Rate 0. 985 in Coil Bind 1. 300 in OD Sold Individually 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