PAC Racing 1200 Series Valve Spring Drag Race Series Dual Spring 629 lb/in Spring Rate - 1.100" Coil Bind AN O-Ring to SAE Fittings Mechanical Lock Hex Nuts 5/8"-18

Mechanical Lock Hex Nuts 5/8"-18

Two Exit Style Choices: Slash Cut or Turndown

Block mount to fan hub dimension is 5-13/16"

Four Link Bracket

1983-1984 GMC S15

PAC Racing 1200 Series Valve Spring Drag Race Series Dual Spring 629 lb/in Spring Rate - 1.100" Coil Bind AN O-Ring to SAE Fittings Mechanical Lock Hex Nuts 5/8"-18Product Description: Valve Spring 1200 Series Drag Race Series Dual Spring 629 lb in Spring Rate 1. 100 in Coil Bind 1. 625 in OD Drag Race 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