PAC Racing Springs 1300 Series Drag Race Dual Valve Spring - 740 lb. - 0.973 in Coil Bind - 1.300 in OD (Set of 16) Aviation Cable Adapters Ball-Bearing Butterfly Assembly

Ball-Bearing Butterfly Assembly

The single side tab allows for greater versatility in choosing where to mount the radio

making it an excellent performer for even the most demanding vehicle applications

Solid Billet/Die Cast Aluminum

Spark Plugs stay cleaner longer

PAC Racing Springs 1300 Series Drag Race Dual Valve Spring - 740 lb. - 0.973 in Coil Bind - 1.300 in OD (Set of 16) Aviation Cable Adapters Ball-Bearing Butterfly AssemblyProduct Description: Valve Spring 1300 Series Drag Race Dual Spring 740 lb in Spring Rate 0. 973 in Coil Bind 1. 300 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