1961-1981 CORVETTE SPEEDOMETER DRIVE GEAR - GREEN 22 TOOTH. FOR 3.70 REAR DIFF.
IF YOUR SPEEDOMETER READS TOO, HIGH A DRIVE GEAR WITH ONE MORE TOOTH WILL SLOW IT DOWN APPROXIMATELY 5 MILES PER HOUR.
THIS NYLON GEAR MUST BE USED WITH 54051 (STEEL SPEEDOMETER DRIVE GEAR FOR 3.70 TO 4.11 REAR ENDS). SEE BELOW.
GM PART NUMBER: 3860345.
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