PAC Racing Springs 1300 Series Drag Race Dual Valve Spring - 813 lb. - 0.985 in Coil Bind - 1.300 in OD AK113112B 38"_x009d_ diameter opening

38"_x009d_ diameter opening

25 mm x 24 Spline

A direct plug in wiring harnesses included for ease of installation

Simpson Racing Hybrid S

2007-2008 Chevrolet Suburban 1500

PAC Racing Springs 1300 Series Drag Race Dual Valve Spring - 813 lb. - 0.985 in Coil Bind - 1.300 in OD AK113112B 38"_x009d_ diameter openingProduct 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