Bottom end and top end components Engineered to meet or exceed OEM quality Reliable OEM sealing Instant throttle response Premium quality for smooth operation Proven performance and reliability Exact fit and long lasting Track your engine and critical service intervals Complete engine rebuild Crankshaft assembly OEM quality main bearings All engine gaskets, seals, and o-rings Wiseco ProLite® 2-stroke piston and top end bearing Wiseco standard series 4-stroke piston Cam chain included (if needed) Wiseco hour meter and bracket included Rotating and Reciprocating Rebuild Kit - includes all top and bottom end components for a complete engine rebuild! Free Wiseco hour meter and bracket included, so you see your next service interval coming Prolite"' Piston Kit - quality piston included in every 2-stroke engine kit Forged Piston Kit features stock compression ratio premium piston included in every 4 -Stroke engine kit Crankshaft and Rod assembly - designed and inspected to ensure durability Includes Additional Components - includes main bearing, seals, gaskets and high quality cam chain