Single Outer Valve Springs from COMP Cams allow you to build the perfect spring assembly for your application. The valve spring creation process is far more involved than most people realize. Selecting the right metal stock and creating the best design is not done by chance. COMP Cams has developed a process that creates the highest quality valve spring available. The result is a product that meets and exceeds the expectations of today’s engine builders and racers. PartNumber : cca26975-16 Description : Single Outer Valve Springs; 16 Pieces Title : 26975-16 Valve Springs, 1.320" O.D. Single Spring California Proposition 65 : WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov Coil Bind Height : 1.1 Compatible Retainer : 1779-16 Compatible Shims : 4753 Compatible Spring Cup (O.D. Locator) : 4709-16 Damper : No Number of Springs : 1 Outer Spring Inside Diameter : 0.92 Outer Spring Outside Diameter : 1.32 Seat Height : 1.78 Seat Pressure : 103 Spring Rate : 356 Coil Bind Height(in) : 1 Outside Diameter(in) : 1.320 Open Height(in) : 1.160 Installed Pressure(lbs) : 104 Position : Exhaust Or Intake Spring Type : Single Spring Rate(lbs/in) : 355 Installed Height(in) : 1.780 Camshaft Type : Hydraulic Inside Diameter(in) : 0.9 Open Pressure(lbs) : 325 Engine Components::Valve Springs, Retainers