Sonnax flanged impeller hubGM-90-75Greplaces worn or damaged impeller hubs in GM 6T40 and 6T45, 236mm torque converters.GM-90-75Ghas a large, reinforced flange with a piloting diameter for accurate alignment and superior weld characteristics. The large flange also provides a substantial back-up surface for impeller-side thrust bearingGM-N-24.