Hot Rods Bottom End Kit Honda Sportrax 450 Trx450R The Bottom End Kit from Hot Rods consists of all components required for a complete crankshaft installation. The kit includes the crankshaft, gasket set, oil seal kit, along with a main bearing and seal kit. Hot Rods cranks are factory assembled and trued to OEM specifications, guaranteeing the product will meet or even exceed OEM performance. Features: Ready to install Includes: crankshaft, gasket set, oil seal kit, main bearing and seal kit Factory assembled and trued to O.e.m. specifications, Hot Rods cranks will meet or surpass the OEM in performance and durability Multi-cylinder applications are sold complete with main bearings (unless specified otherwise) Note: Image for reference, actual product may vary by application.