These Summit/Federal Mogul Premium engine rebuild kits will make your performance rebuild easy and inexpensive. Everything you need is in one affordable package. They're available with or without pistons (cast, hypereutectic, or forged depending on application); chromoly faced compression rings and exclusive SS-50 oil control rings; main, cam, and rod bearings; Various oil pump configurations are available depending on applications; top quality gaskets; freeze plugs; Plastigage; and assembly lube.