Hi Jeremy, I'm pleased to assist you. This kit includes the 1) piston set (with piston rings and wrist pins), 2) engine gasket set (head gaskets, valve cover gaskets, intake manifold gaskets, exhaust manifold gaskets, oil pan gaskets, and other seals), 3) engine bearings (main bearings, rod bearings, and camshaft bearings),4) timing components (timing belts or timing chains, along with related components such as tensioners, guides, and sprockets), 5) oil pump, 6) freeze plugs, and 7) miscellaneous components (small parts such as dowel pins, oil gallery plugs, and other hardware required for engine assembly). Click the link below to continue ordering at a discounted offer today, while supplies last. I hope this helps. Enjoy your CP shopping experience! https://www.carparts.com/engine-rebuild-kit/dnj/dnjek3197?can=CPGG4850_CSQA_20230411

Hi David, I'm pleased to assist you. Based on the part numbers, they are almost the same except for the M which means Master kit. Part Number DNJEK3197 includes piston set, piston ring set, main bearings set, rod bearings set, full gasket/sealing set without the oil pump and timing belt, or timing kit. Part number DNJEK3197M includes piston set, piston ring set, main bearings set, rod bearings set, full gasket/sealing set, timing chain kit (balance shaft), timing chain kit, and oil pump. Let me provide you with the 2 links so you can choose which one you'd prefer to order at discounted prices while supplies last. I hope this helps. Enjoy shopping at Carparts.com! DNJEK3197 (40% off) - https://www.carparts.com/engine-rebuild-kit/dnj/dnjek3197?can=CPGG4850_20220517 DNJEK3197M (42% off) - https://www.carparts.com/engine-rebuild-kit/dnj/dnjek3197m?can=CPGG4850_20220517