Check the listing for details. 17 AMP 12 Volt Alternator Generator Conversion Kit for Harley-Davidson G XL FL. Color: Black, Condition: New. Listed at 139.99 USD. 17 AMP 12 Volt Alternator Generator Conversion Kit for Harley-Davidson G XL FL Product Description Generator alternator conversion kit replaces original generator and regulator Compact, high output alternator measures 3-1/4" long, and weighs only 3 lbs. Kit includes black alternator and black regulator Features high power output, 17 amps @ 1000 rpms Stronger than stock, features billet housing for accurate alignment and a stress proof shaft Alternators have 5/16" x 24 mount holes for screws Use Helicoil kit to convert 12 volt generators with 5/16-24 thread to1/4-24 thread to accept early mount bolt set.. NOTE: Will require a 12 volt battery. Included Items: (1) Alternator (1) Regulator Instructions Fit For： Harley-Davidson G 1936-1973 XL 1958-1982 FL 1941-1969 W 1936-1952 NOTE: Black finned Regulator is not built-in and must be mounted remotely. Cannot be used with mini battery (12N55A-3B)