PAC Racing 1300 Series Valve Spring Triple Spring 900 lb/in Spring Rate 1.140" Coil Bind - 1.695" OD RA001003 Mechanical advance assembly can be

Mechanical advance assembly can be locked out for crank trigger systems or racing applications

pickup creating a trigger signal that tells the MSD to fire

Can Be Used w/Many Aftermarket Shifters

Fits 1999-2004 Ford F-250 and F-350 truck with a V8 or V10 engine

1959-1969 Chevrolet Brookwood

PAC Racing 1300 Series Valve Spring Triple Spring 900 lb/in Spring Rate 1.140" Coil Bind - 1.695" OD RA001003 Mechanical advance assembly can beProduct Description: Valve Spring 1300 Series Triple Spring 900 lb in Spring Rate 1. 140 in Coil Bind 1. 695 in OD 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 services at