Pinion Gear,Red Jims Fits Big Twin Late 1977/1989 Rpls Hd 24043-78....Jims

MID-66053

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Pinion Gear,Red Jims Fits Big Twin Late 1977/1989 Rpls Hd 24043-78....Jims
These high quality American made Pinion Gears offer engine builders the most common sizes needed when installing performance cams or rebuilding motors. Cam and pinion gears must be matched for pitch diameter to provide correct gear lash. If the gear lash is too tight the motor will whine. If the gear lash is too loose the motor will knock. Most aftermarket cams come with red color coded gears. A cam of a certain color code usually should be used with a pinion gear of the same color code, but matching tolerance variations in the crankcase and the cam cover may require the use of a larger or smaller pinion gear. Geras are measured over two .105 gauge pins. Fits Big Twin 1939/1989 as listed.JIMS Pinion Gear or Tapered Shaft Big Twin Late 1977/1989. Color code: Red. Diameter over .105 pins: 1.4729/1.4737. Replaces HD# 24043-78
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