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 : cca941-16 Description : Single Outer Valve Springs; 16 Pieces Title : 941-16 Valve Springs, 1.255" High Performance California Proposition 65 : WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov Coil Bind Height : 1.1 Compatible Retainer : 750-16 Compatible Shims : 4753 Damper : Yes Number of Springs : 1 Outer Spring Inside Diameter : 0.711 Outer Spring Outside Diameter : 1.269 Seat Height : 1.75 Seat Pressure : 130 Spring Rate : 454 Valve Spring Series : Race Sportsman Installed Height(in) : 1.75 Open Pressure(lbs) : 359 Position : Outer Camshaft Type : Hydraulic Open Height(in) : 1.25 Coil Bind Height(in) : 1.13 Outside Diameter(in) : 1.26 Spring Type : Single Inside Diameter(in) : 0.876 Installed Pressure(lbs) : 135 Spring Rate(lbs/in) : 447 Engine Components::Valve Springs, Retainers