Search by number: 1989 Geo Spectrum 1.5L Starter ProAmp 16879 $61.00 each OPTIONS: wo/Turbo, w/MT, OE # 128000-4270 ProAmp 16880 $68.00 each OPTIONS: wo/Turbo, w/AT, OE # 128000-1310 ProAmp 16883 $112.00 each OPTIONS: w/Turbo, OE # 128000-4670 ProAmpN 16879N $87.00 each OPTIONS: wo/Turbo, w/MT, OE # 128000-4270 ProAmpN 16880N $101.00 each OPTIONS: wo/Turbo, w/AT, OE # 128000-1310