PAC Racing 1300 Series Dual Valve Spring - 743 lb/in Spring Rate - 1.035 in Coil Bind - 1.570 in OD (Set of 16) MAC-XC Works with Factory or Any

Works with Factory or Any After-Market Brake Systems

Brodix / All Pro 286 Heads

1978-1989 Mercury Grand Marquis

- Port Shape Same As Port - Will Not Fit Angle Plug Heads

Make Your Own Shaft Type Conversion: Our Mile Marker Kit is the result of over two years of experimental kits and testing

PAC Racing 1300 Series Dual Valve Spring - 743 lb/in Spring Rate - 1.035 in Coil Bind - 1.570 in OD (Set of 16) MAC-XC Works with Factory or AnyProduct Description: Valve Spring 1300 Series Dual Spring 743 lb in Spring Rate 1. 035 in Coil Bind 1. 570 in OD Circle Track 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