Search by number: 1987 Chevrolet Full Size Pickups 5.7L 8 Cyl Alternator ProAmp 8165-11 $102.00 each OPTIONS: C K Models 105 Amps 6-Groove Pulley ProAmp 7127HO110 $254.00 each OPTIONS: Custom Built; 110 Amps; 15.1V; Replaces stock alternator with stock wiring ProAmpN 8165-11N $128.00 each OPTIONS: C K Models 105 Amps 6-Groove Pulley Why is there more than one unit for my car? Look at the TECH SPECS when more than one unit is shown for your car. AMPS (ELECTRIC CAPACITY): must match you vehicle electric requirements. *** Call us if you are looking to increase your unit capacity! OE ALTERNATOR MANUFACTURER: It is recommended to match the Make of your alternator