SBT Crankcase Fits Sea-Doo 4-Tec 2002-2016 Exc. 300/ Spark Engine

New SBT Casting, Standard Bore, Sleeved Crankcase that fits 130HP-260HP Seadoo.These casings will work for the 2002-2005 Sea-Doo 4-Tecs with the additional purchase of an SBT Rocker Arm Shaft: 46-112-69.This replaces the check valve function in the 2002-2005 cases.