Search by number: 1991 Oldsmobile 98 3.8L 6 Cyl Starter ProAmp 6339 $88.00 each OPTIONS: 3.06 Final Drive Ratio ProAmp 16868 $98.00 each OPTIONS: 2.84 Final Drive Ratio ProAmpN 6339N $95.00 each OPTIONS: 3.06 Final Drive Ratio