PAC Racing 1200 Series Valve Spring Dual Spring 540 lb/in Spring Rate 1.100" Coil Bind - 1.244" OD M59S1 1988-1994 Chevrolet K3500

1988-1994 Chevrolet K3500

Factory style wiring connectors plug directly into stock coils and harness

AMC / Dana / Ford / GM Yokes

Reinforces the floor and driveshaft tunnel

Thread-in 3/8" NPT probeDerale has been the leader in performance cooling for decades

PAC Racing 1200 Series Valve Spring Dual Spring 540 lb/in Spring Rate 1.100" Coil Bind - 1.244" OD M59S1 1988-1994 Chevrolet K3500Product Description: Valve Spring 1200 Series Dual Spring 540 lb in Spring Rate 1. 100 in Coil Bind 1. 244 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