PAC Racing 1300 Series Valve Spring Dual Spring 513 lb/in Spring Rate 1.150" Coil Bind - 1.564" OD 8000100 1/8" NPT Male ThreadFor decades

1/8" NPT Male ThreadFor decades

Standard hand-laid composite panels are consistent in strength

2000-2000 Chevrolet Sonora

Stainless Steel Mandrel Bent Tubing

363 cc Intake

PAC Racing 1300 Series Valve Spring Dual Spring 513 lb/in Spring Rate 1.150" Coil Bind - 1.564" OD 8000100 1/8" NPT Male ThreadFor decadesProduct Description: Valve Spring 1300 Series Dual Spring 513 lb in Spring Rate 1. 150 in Coil Bind 1. 564 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