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 1978-1989 Mercury Grand Marquis

1978-1989 Mercury Grand Marquis

and can utilize both the factory calibration resistor and free-air calibration methods

GM 10SI Alternators

1968-1969 Chrysler New Yorker

Very effective when storing an engine

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 1978-1989 Mercury Grand MarquisProduct 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