PAC Racing Springs 1300 Series Drag Race Dual Valve Spring - 400 lb. - 0.850 in Coil Bind - 1.106 in OD (Set of 16) R010015YM Highest Linearity and Guaranteed Rate

Highest Linearity and Guaranteed Rate - Consistency Within 2% Of Advertised Rate

throttle response and flow consistencyFAST is the leading developer of electronic fuel injection systems

DEXRON(R)-VI Synthetic ATF meets or exceeds the requirements of: GM DEXRON(R)-VI

the Light uses six AAA batteries

supports 800HP Forced EFI

PAC Racing Springs 1300 Series Drag Race Dual Valve Spring - 400 lb. - 0.850 in Coil Bind - 1.106 in OD (Set of 16) R010015YM Highest Linearity and Guaranteed RateProduct Description: Valve Spring 1300 Series Drag Race Dual Spring 400 lb in Spring Rate 0. 850 in Coil Bind 1. 106 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