Hot Rods Bottom End Kit Polaris Pro S / Pro XP / Turbo R Hot Rods Bottom End Kit provides a comprehensive solution for crankshaft installation. It comprises a crankshaft, gasket set, oil seal kit, along with a main bearing and seal kit. Each component is factory assembled and meticulously trued to OEM specifications, ensuring that this kit meets or surpasses OEM performance standards. 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)