Isky Valve Spring Set, RAD-9000 Series, Dual Spring / Damper, 550 lb/in Spring Rate, 1.150" Coil Bind, 1.570" OD, Set of 16 SKU ISK-9988-RAD $636.67 Quantity discounts available QuantityPrice (0)No Reviews yet Number of Pieces Item Custom Price Quantity -+ Add to Cart Details RAD-9000™ Tool Room Valve SpringDual w/DamperOuter OD/ID 1.570/1.145in.Inner ID/OD 1.040/0.745in.Seat Pres. 250lbs at 2.000in.Open Pres. 660lbs at 1.2... Details Back DetailsRAD-9000™ Tool Room Valve SpringDual w/DamperOuter OD/ID 1.570/1.145in.Inner ID/OD 1.040/0.745in.Seat Pres. 250lbs at 2.000in.Open Pres. 660lbs at 1.250in.Product Features:Sustained Redline ProtectionPrecision DesignedEngineered To Perform Ratings & ReviewsNo reviews availableBe the first to Write a Review