− Decrease quantity for Valve Springs, Single, 1.290 in. Outside Diameter, 438 lbs./in. Rate, 1.125 in. Coil Bind Height, Set of 16 Quantity + Increase quantity for Valve Springs, Single, 1.290 in. Outside Diameter, 438 lbs./in. Rate, 1.125 in. Coil Bind Height, Set of 16 Add to cart