Eibach Platinum Modified Front Coil Spring - 5.0 in OD - 9.500 in Length - 575 lb/in Spring Rate - Silver RS004C1910 GP-1 Specialty

GP-1 Specialty

1977-1978 GMC C15 Suburban

Added to the fuel tank

Pushrod Shim Kit

Compatible with interior parts kits – HP6 RD to corporate the radio kit and drinking tube kits

Eibach Platinum Modified Front Coil Spring - 5.0 in OD - 9.500 in Length - 575 lb/in Spring Rate - Silver RS004C1910 GP-1 SpecialtyEibach PLATINUM SERIES race springs are engineered using our proprietary ultra high tensile strength steel, for the lowest physical weights and maximum spring travel. More Travel Increased Travel Reduces Shear Loads and Stores More Energy Which Equals Increased Grip In and Off the Corner Ultra Lightweight for Increased Vehicle Response and More Usable Power to the Ground Each Platinum Spring is Wound to Exact Tolerances and Dyno Tested with Graph