Profile: Superior Transmission Parts, Inc. supplies re-manufactured pumps for the automotive industry. We are an ISO 9001:2008 certified company. Our product line includes superior K095, Fairbanks PT4R100, superior STL-175-6, and snippet superior K093. Our 4L30-E shift correction package corrects or prevents bell-housing gasket blowout, and repairs the leakage in servo core. It is also featured with weak shifts, lock-up chatter, premature clutch & band failure with regular & heavy duty applications. Our AOD shift correction package eliminateS the weak 1-2 shifts, erratic 1-2 shifts, erratic 3-4 shifts, down shift shudder, and pressure premature clutch failures.