COMP Cams Camshaft Kit LS1 XEr287HR-12

Xtreme Energy XE-R design for large cubic inch LS6 and LS1.

K-KIT - Complete Kit Includes: Camshaft, Lifters, Valve Springs, Retainers, Valve Locks, Valve Stem Seals, Timing Chain Set, Assembly Lube (in flat tappet applications), Decals and Instructions.