Overview Reviews Product Description Valve Spring - Hot Rod Series - Dual Spring / Damper - 469 lb/in Spring Rate - 1.120 in Coil Bind - 1.555 in OD - Set of 16 Product Videos Custom Field Product Reviews Write a Review Write a Review × PAC Valve Springs - HR Series (16) Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *