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Your Headquarters For Harley Davidson After-market Parts
Your Headquarters For Harley Davidson After-market Parts

Alternator Part Rotor Big Twin W / 22 Or 32 Amp System Replaces 29957-81B Mfg .55600

by MID-USA
SKU 17826
Original price $160.25 - Original price $160.25
Original price $160.25
$189.07
$189.07 - $189.07
Current price $189.07

OEM No:

HIGH OUTPUT CHARGING SYSTEM & ROTOR FOR BIG TWIN

WEIGHT: 4.54
CHARGING SYSTEM
  • THE 32 AMP SYSTEM FEATURES A SERIES TYPE REGULATOR/RECTIFIER THAT UNLOADS THE STATOR WHEN THE BATTERY IS AT FULL CHARGE LETTING THE ENGINE SPIN EASIER THAN THE OEM SHUNT TYPE WHICH CREATES A CONSTANT DRAG. THIS NOT ONLY EXTENDS THE LIFE OF THE CHARGING SYSTEM , IT INCREASES FUEL MILEAGE AND FREES UP HORSEPOWER
ROTOR
  • THE ROTOR HAS BEEN UPGRADED WITH AN IMPROVED METHOD OF GLUING THE MAGNETS TO PREVENT THEM FROM COMING OFF LIKE THE OEM ROTORS ARE KNOWN TO DO
  • THE ROTOR CAN BE USED AS A REPLACEMENT ROTOR FOR THE OEM 22 AMP AND 32 AMP CHARGING SYSTEM , BUT ALSO WORKS IN CONJUNCTION WITH THE COMPU-FIRE 32 AMP AND 40 AMP CHARGING SYSTEMS

COMPU-FIRE
22 , 32 & 40 AMP ROTOR
FITS BIG TWIN 1981/1999 (EXCEPT TWIN CAM & FLT 1997/1998 WITH EFI)
REPLACES HD# 29957-81B

Model Fitment

Accessory Items:

Tech Notes:

Measurements: