Overview Reviews Product Description Valve Spring - Dual Spring - 320 lb/in Spring Rate - 1.020 Coil Bind - 0.915 / 1.240 in OD - Set of 16 Product Videos Custom Field Product Reviews Write a Review Write a Review × Isky Cams Isky Cams 1.240 Dual Valve Springs 4205 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *