JIMS, sprocket shaft only. L81-85 & 70-99 B.T.

Kuvaus

With aftermarket 6 taper/keyway. Fits L81-85 OEM (which has no without keyway) and 70-99 aftermarket B.T. flywheels (with keyway). Sprocket shaft has keyway; use 23985-56 key (MCS 517960). Taper is 6. Shaft is 4.262" long from bearing shoulder to end of smalll thread. Use 24017-80 JIMS nut (MCS 978257) on flywheel side and use 24003-55 nut (MCS 517999) on sprocket side. JIMS shafts are precision machined in Camarillo; California from a special order steel. Each and every part is thoroughly inspected and after heat treating all threads go through a special process to make them withstand greater torque stress. All shafts are ground to a 16 micron finish or better; unless specified otherwise. All ground diameters are concentric to well within .0003"; making truing and rebuilding quicker and with less effort.