COMP Cams Valve Spring 1.550in 2 Spring - cca917-1

Dual Valve Springs from COMP Cams are manufactured from Super Clean wire and subject to extensive quality control testing to deliver a valve spring assembly with superior strength, durability and valve train stability, no matter what the application. The dual spring design creates a stronger valve spring that can easily handle the increased lift found in extreme stress applications. COMP Cams Dual Valve Springs exceed the expectations of today’s engine builders and racers. PartNumber : cca917-1 Description : Dual Valve Spring Assemblies; Single Piece Title : 917-1 Valve Spring, 1.550" 2 Spring Assembly California Proposition 65 : WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov Coil Bind Height : 1.05 Compatible .570" Guide Diameter Spring Seat : 4785-1 Compatible Retainer : 741-1 Compatible Shims : 4757 Compatible Spring Cup (O.D. Locator) : 4700-1 Damper : No Inner Spring Inside Diameter : 0.824 Number of Springs : 2 Outer Spring Inside Diameter : 1.136 Outer Spring Outside Diameter : 1.565 Seat Height : 1.8 Seat Pressure : 200 Spring Rate : 566 Coil Bind Height(in) : 1.05 Installed Pressure(lbs) : 200 Camshaft Type : Hydraulic Spring Type : Double Installed Height(in) : 1.8 Position : N/A Open Height(in) : 1.1 Open Pressure(lbs) : 596 Outside Diameter(in) : 1.55 Spring Rate(lbs/in) : 566 Inside Diameter(in) : 0.815 Engine Components::Valve Springs, Retainers