AFR Dual Valve Spring - 450 lb/in Spring Rate - 1.080" Coil Bind - 1.270" OD 8202 HP77 Helmets

HP77 Helmets

1970-1976 Plymouth Duster

416 in Bolt Centers

6 5/8" length spring is needed

10 AN Male to 10 AN Male

AFR Dual Valve Spring - 450 lb/in Spring Rate - 1.080" Coil Bind - 1.270" OD 8202 HP77 HelmetsProduct Description: Valve Spring Dual Spring 450 lb in Spring Rate 1. 080 in Coil Bind 1. 270 in OD AFR Cylinder Heads Replacement Sold Individually Advanced FLOW engineering (aFe Power) is a premier designer and manufacturer of automotive performance upgrade systems and components. Current product lines include cold air intake systems, high performance direct fit and racing air filters, exhaust systems, intercoolers, turbochargers, electronic