Search by number: 1971 Chevrolet Impala 4.1L 6 Cyl Starter ProAmp 3664 $86.00 each OPTIONS: wo/HD Clutch ProAmp 4347 $137.00 each OPTIONS: Optional, HD Clutch ProAmpN 4347N $188.00 each OPTIONS: Optional, HD Clutch IMI IMI102N $249.00 each OPTIONS: IMI High Torque