Enginetech RCC496AP Engine Rebuild Kit for 2001 Chevrolet Big Block 496 8.1LRebuild kits include pistons, piston rings, bearings, timing chain set, oil pump, and gaskets. Category Part # Sizes Category Part # Sizes Piston Set P3077(8) STD, 020, 030, 040, 060 Piston Ring Set M42528 STD, 020, 030, 040, 060 Bearing Set Rod BB619J STD, 001, 010, 020 Bearing Set Main BC506J STD, 010, 020 Bearing Set Cam CC411 STD Gasket Set Head C496HS A Gasket Set Lower C496CS A Timing Set TS4185B Oil Pump EP307S Make Model Year Chevrolet B7 2001