PAC Racing 1300 Series Valve Spring Dual Spring 663 lb/in Spring Rate 1.150" Coil Bind - 1.550" OD H75903FL This is a replacement part

This is a replacement part

For Big Block Ford Applications

lower shock mounts

7-1/2 to 12 in Depth

EGT Monitor

PAC Racing 1300 Series Valve Spring Dual Spring 663 lb/in Spring Rate 1.150" Coil Bind - 1.550" OD H75903FL This is a replacement partProduct Description: Valve Spring 1300 Series Dual Spring Damper 663 lb in Spring Rate 1. 150 in Coil Bind 1. 550 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