For sale is a set of (16) Engine Pro RV880X Valve Springs for your Small Block ChevyThese springs work great in most stock and mild camshaft applications with less than .450 lift.Specifications:Part #: RV880XSingle W/ DamperValve Spring Diameter: 1.250Installed Height (Valve Closed): 80# @ 1.700Open Load (Valve Open): 200# @ 1.250Max Lift: .450Material: Carbon SteelAll Engine Pro Valve Springs are manufactured using the highest quality materials. They are inspected during the manufacturing process to ensure consistent dimensions and overall quality. Engine Pro springs feature a high-tech alloy to help eliminate valve float, fatigue, and tension loss.