PAC Racing 1300 Series Valve Spring Dual Spring 538 lb/in Spring Rate 1.150" Coil Bind - 1.574" OD RG20001XS Designed with power kickout at

Designed with power kickout at pan rail and louvered windage tray

Each of our serpentine water pump pulleys has a 7th groove for ease of alignment

0L 1988 Later 351W with Reverse Rotation Water Pump

235 in Thick

1991-1999 Buick Riviera

PAC Racing 1300 Series Valve Spring Dual Spring 538 lb/in Spring Rate 1.150" Coil Bind - 1.574" OD RG20001XS Designed with power kickout atProduct Description: Valve Spring 1300 Series Dual Spring 538 lb in Spring Rate 1. 150 in Coil Bind 1. 574 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 various