Competition Cams CL122422 Xtreme Energy XE268H Cam & Lifters Kit For Chevrolet 262-400 Cam and lifter kit for Small Block Chevy engines CL-Kit includes cam, lifters, assembly lube, instructions and decals Hydraulic Xtreme Energy: Great for street machines, largest cam for stock converter, better with 2000 stall Valve spring upgrade required