Kits are for the 383 small block Chevy engine combination. 383 pistons are included.
You're on your way to transforming that 350 block into a real ground-shaking 383. Finish it off with Summit Racing™ Chevy 383 engine kits and stay on budget. Summit Racing™ has done the homework and selected parts that will work together to produce the power that you want. These engine kits feature Summit Racing™ brand components, delivering high performance quality at a reasonable price. Chevy 383 kits include new hypereutectic pistons and a high-volume oil pump, as well as rings, bearings, gaskets, freeze plugs, Plastigage, and assembly lube. Make the most of those extra cubes and do it the smart way with Summit Racing™ Chevy 383 engine kits.