Cat Cams Valve Spring Kit – PAC-D99864 Springs with 99423/S Upper Retainers & 99503/O Lower Retainers

Technical Specifications – PAC-D99864 Dual Valve Spring Technical Specification Outer Spring PAC-E99864 Inner Spring PAC-I99864 Free Length 41.3 mm 37.7 mm Solid Length 18.2 mm 15.8 mm Top Diameter 24.8 mm 18.2 mm Bottom Diameter 24.8 mm 18.2 mm Wire Diameter 3.3 mm 2.3 mm Technical Specifications – 99423/S Upper Retainer Technical Specification Value Part Number 99423/S Product Type Upper Valve Spring Retainer Valve Locks / Offset MK-6H / -2.3 mm Spring Diameter 18.2 mm Step Diameter 13.1 mm Step Height 1.8 mm Shim Diameter 0 mm Shim Height – Top Diameter 24.7 mm Top Height 1.0 mm Weight 7 g Technical Specifications – 99503/O Lower Retainer Technical Specification Value Part Number 99503/O Product Type Lower Valve Spring Retainer Application Description FSI lower retainer Total Diameter 24.0 mm Spring Seat Diameter 13.4 mm Inner Diameter 11.1 mm Total Height 6.5 mm Spring Seat Height 4.0 mm