AUTOMATIC ADVANCE UNIT ONE PIECE MACHINED BASE AND SHAFT TOOL STEEL, MACHINED WEIGHTS FITS ALL CONE MOTORS 3117
Source: Custom Chrome
A high-quality advance unit that fits all cone motors. One-piece base and shaft are machined from 4350 chrome moly tool steel, and ground to .0001" accuracy. Pivot pins are tool steel and heat treated to 58RC. Weights are machined from 4140 billet bar stock and heat treated. This advance unit is one quality piece and made to last a lifetime!