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1957-1981 Corvette Speedometer Cable Manual Transmission Speed Gear 20 Teeth Blue

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Part #: 672-001
GM Part #: 3987920
Availability: In Stock - Ships today if ordered by 3 PM CT
Only 1 Left, Order Soon!
Fits Years:
  • 1957-1962
  • 1963-1967
  • 1968-1981
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  • Description

Parts You Will Need

Parts We Recommend

1957-1981 Speedometer Cable Manual Transmission Speed Gear 20 Teeth Blue

Restore Your Speedometer to Correct, Accurate Operation.  These Gears Fit In The Transmission and Drive the Speedometer Cable.

Note:  We recommend checking your current gear for color and # of teeth.  If your speedometer reads faster than actual speed, then choose a gear with one more tooth per 5 MPH error.  If it reads slow, then choose a gear with one less tooth per 5 MPH error.

Generally Used With 3.36 Rear Ratio and Manual Transmission.



Also known under these part numbers:

  • 3987920
  • 4337220
  • TM-154