JIMS, pinion gear 54-77, Yellow

Gear size over .105" pins: 1.4455-1.445".
Cam gear over .105" pins: 2.770-2.7705".
Made from the finest American aerospace quality tool steel. Precision machined to exact tolerances with no compromises.
Note: Cam gear fitment is essential to quiet valve train operation. Too loose of a fit will result in a clicking noise, sometimes confused with lifter noise. A too tight fit will produce a whining sound and premature wear.
Sizes are as follows:
961300 Orange (biggest).
961301 Red.
961302 Blue (average).
961303 Green (average). Repl. 24010-54.
961304 White Repl. 24010-54.
961305 Brown.
961306 Yellow (smallest).