Rebuild the engine in your 2001-2004 Chevy/GMC 6.6L LB7 Duramax with the Rotating Assembly parts available. You can find both upgraded and performance parts for your engine build. All the components you need to reassemble your engine, including connecting rods, pistons, bearings, and piston rings, are available. MAHLE, Clevite, CP-Carrillo, and Wagler Competition Products are just some of the brands that are offered.