Add one-wire power to your setup with Jones Racing alternators! Their alternators require only one 10-gauge wire to be run from the back terminal to your battery. Their switchless design offers high performance that weighs less and is more efficient. And the more efficient your engine is, the more horsepower you can achieve! Give your electrical system a jolt with Jones Racing alternators. Advertised Amperage Output: 70 amps Voltage Compatibility: 12 One-Wire Capable: Yes Pulley Included: No Regulator Included: Yes Regulator Style: Internal Belt Included: No Alternator Brackets Included: No Alternator Finish: Natural Quantity: Sold individually. Notes: 6 lbs.