Fits: Alternator Iron head, and 4spd Evolution Sportster.
* XL main drive C-Ratio gear set – Mid 1984-1990 (26T & 18T)
* Andrews 4 speed Sportster gears are made from high nickel alloy steel which is heat treated and shot peened for maximum durability. Shot peening greatly improves the wear resistance of drive edges and slots. All Sportster gearboxes run better with Andrews gears.
