PAC Racing RPM Series Valve Spring Dual Spring 600 lb/in Spring Rate 0.985" Coil Bind - 1.274" OD Coilover Adjuster Nut Take tire temps in the

Take tire temps in the pre-programmed order or select any order you prefer

Less resistance means the most spark energy reaches the plug gap for every firing

Shift Plus

This auto racing harness is manufactured using premium 3" polyester webbing that reduces to 2" above the shoulder adjusters and drop forged steel 3 bar slides and bolt on hardware ends

1971-1974 Mercury Colony Park

PAC Racing RPM Series Valve Spring Dual Spring 600 lb/in Spring Rate 0.985" Coil Bind - 1.274" OD Coilover Adjuster Nut Take tire temps in theProduct Description: Valve Spring RPM Series Dual Spring 600 lb in Spring Rate 0. 985 in Coil Bind 1. 274 in OD GM LS Series Set of 16 PAC Racing Springs is part of the Race Winning Brands Family. With more than 100 years of spring manufacturing experience. We understand the demands of racing and provide a commitment to all of our customers to provide the best service possible. We continue to expand products and offer expanded onsite technical