This complete Top and Bottom End Kit has everything you need, all the quality parts, including a Wiseco Piston, to rebuild your motor. Includes: Hot Rods Crank, Bearings and Seals, Complete Gasket Kit and Wiseco Piston. Hot Rods Crankshaft: Building on the success of high-quality, O.E.M. replacement rods, Hot Rods introduced the perfect place to showcase them in a complete heavy duty Hot Rods O.E.M. replacement crankshaft. Since that time, Hot Rods heavy duty crankshafts have been regarded as the premier alternative, Hot Rods heavy duty crankshafts also bring a level of uncompromising quality, design and innovation not seen in its competitors. All crankshafts are sold complete and ready for installation with the original proven Hot Rods connecting rods, and crankshaft webs. Factory assembled and trued to O.E.M. specifications, Hot Rods cranks will meet or surpass the O.E.M. in performance and durability. Crankshafts are fully re-buildable with genuine Hot Rods connecting rods and bearings. Multi-cylinder applications are sold complete with main bearings (unless specified otherwise). Two and four-stroke applications available. Hot Rods Bearings and Seals: To compliment Hot Rods full line of heavy duty O.E.M. replacement and stroker crankshafts are Hot Rods complete main bearings for both two and four-stroke applications. Like other Hot Rods products, these main bearing and seal kits are built to the highest quality standards that meet or exceed those of O.E.M. Additionally, not only will Hot Rods main bearing and seal kits work in rebuilding a Hot Rods crankshaft but, they also work in rebuilding O.E.M. cranks as well. Athena Gaskets: The Athena complete gasket kit is an all-in-one kit featuring superior quality gaskets to rebuild your motorcycle or ATV engine. Athena ensures they are only using the highest quality gaskets to provide a great seal every time. All Athena gaskets are designed and built to meet or exceed O.E.M. specifications. Wiseco Piston: Wiseco Pro-Lite motorcycle pistons are forged using the highest quality materials available resulting in a piston that provides excellent performance and durability. Wiseco Pro-Lite pistons feature a race-ready dome finish with smooth edges for improved combustion flow. The rings, wrist pin, and circlips are manufactured by Wiseco under their strict quality standards to make sure every piston kit fits correctly, ensuring top performance is achieved. The Wiseco Pro-Lite Piston includes: piston, ring(s), wrist pin, and circlips.