PAC Racing Springs 1300 Series Drag Race Dual Valve Spring - 813 lb. - 0.985 in Coil Bind - 1.300 in OD 26995-16 when you buy a MagnaFuel

when you buy a MagnaFuel fuel system

Built with proprietary PolyTek low-stretch webbing for elongation control

Low Profile Design Provides Excellent Fuel Flow Capacity

zMAX is not an additive at all

B&M Mega / Sport Shifters

PAC Racing Springs 1300 Series Drag Race Dual Valve Spring - 813 lb. - 0.985 in Coil Bind - 1.300 in OD 26995-16 when you buy a MagnaFuelProduct 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