PAC Racing RPM Series Valve Spring Dual Spring 600 lb/in Spring Rate 0.985" Coil Bind - 1.274" OD 4386BK Designed to feed serious EFI

Designed to feed serious EFI and Carbureted engines

our Nerds use lasers and computers to precisely measure each individual make and model's floorboard to create the perfect fit

1976-1996 Ford F-150

is perfect for the person looking for an aggressive exterior and interior sound with all of the performance benefits that you would expect from Flowmaster

AFCO R-Series Aluminum Rebuildable shocks are better than ever and are set to provide you with the "just right" set-up you need to win

PAC Racing RPM Series Valve Spring Dual Spring 600 lb/in Spring Rate 0.985" Coil Bind - 1.274" OD 4386BK Designed to feed serious EFIProduct 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