COMP Cams CL12-249-4 - Cam and Lifter Kit, CS XE 249H-1 2

COMP Cams Xtreme Energy Computer Controlled XE249H-12 Cam and Lifter Kit for Small Block Chevy SMALL BLOCK CHEVY Hydraulic CAM AND LIFTER KIT - Xtreme Energy Computer Controlled: Great in throttle body, crossfire or carbureted engine and 305 TPI. Cam and lifter kit for Small Block Chevy engines; CL-Kit includes cam, lifters, assembly lube, instructions and decals; Hydraulic - Xtreme Energy Computer Controlled: Great in throttle body, crossfire or carbureted engine and 305 TPI.; 249/260 Advertised Duration, 206/212 Duration .050", .434"/.444" Lift, 112 Lobe Separation; Valve spring upgrade required