Overview Reviews Product Description Valve Spring - SP-Series - Dual Spring / Damper - 440 lb/in Spring Rate - 1.150 in Coil Bind - 1.530 in OD - Set of 16 Product Videos Custom Field Product Reviews Write a Review Write a Review × Isky Cams Isky 1.530 Valve Springs - ISK8205-SP Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *