The Holeshot Converter is a very good choice for the typical street machine that is looking for better launch capability and more strength. With a furnace brazed turbine, New turbine hub and dual pattern drive lugs on some GM Holeshots. Product Features:Furnace Brazed ImpellerSteel Alloy Pump Drive TubeHeavy Duty Needle BearingBetween Stator and TurbineFurnace Brazed TurbineNew Turbine HubNew Springs/Rollers In Stator