Assembly sold complete with Hot Rods connecting rod Factory assembled and trued to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance Ready for installation Crankshaft is completely rebuildable with genuine Hot Rods connecting rods "Stroker" crankshaft assemblies add 1.5 mm - 5 mm of stroke depending on application; in some cases cylinder head must be modified or special pistons used Main bearings not included. CRANKSHAFT KIT