Product name: Engine Overhaul Rebuild Kit. Part Number: 6C 6CT 6CTA. Fitment Type: Direct Replacement. Compatible with Cummins Diesel 8.3L Tractor Truck. Compatible with Cummins 6C 6CT 6CTA Engine. Package included: 6CT8.3 Engine Overhaul Rebuild Kit. 1 Set Full Gasket Kit with Head Gasket. 6 Pieces STD Cylinder Liners (Semi-finished). 6 Pieces STD Piston. 6 Sets STD Piston Rings. 6 Pieces STD Piston Pin. 6 Pairs STD Piston Clip. 12 Pieces Valve Guides. 6 Pieces Intake Valves. 6 Pieces Exhaust Valves. 6 Pieces Intake Valves Seats. 6 Pieces Exhaust Valves Seats. 1 Set STD Crankshaft / Main Bearing. 1 Set STD Connecting Con Rod Bearing. 1 Set STD Thrust Washer / Bearing. If you need oversize +0.5mm or 0.25mm, please tell me. Default send out standard size rebuild kits. Please double check that this product fits your car before purchasing check your part number, photo. Since the effect of light is different between the display and the display, the actual color may be different from the color of the image.