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1968 Truck -72 Chevy-GMC Truck Speedometer Calibrator Mechanical To Mechanical

1968 Truck -72 Chevy-GMC Truck Speedometer Calibrator Mechanical To Mechanical


1955-1972 Chevrolet and GMC Truck speedometer calibrator corrects speedometer reading without changing transmission gears and is customized for your application
Part #:

Regular Price: $143.99 ea.

Sale Price: $122.88 ea.

  Alt Part #:
Available - Allow extra time for delivery
1968 Truck
See applications below for exact details.

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This is a custom ordered item, please provide the following information.
What is your Speedometer 60 MPH Reading?
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  • Corrects Speedometer Reading Without Changing Transmission Gears
  • Installs On Transmission
  • May Be Used With Any Mechanical Speedometer Drive Transmission
  • Custom Made For Your Application, Not Adjustable
NOTE: Requires You To Submit Current Actual Speedometer MPH Reading & Shown MPH Reading In Comments Section When Ordering: Follow a car that is traveling exactly 60 MPH. Record the shown MPH on your speedometer. Submit Actual (60 MPH) and Shown (X MPH) when ordering.


Make / Model Series Body Notes Year
CHEVROLET TRUCK 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972


Combined Cancer/Birth Defect
Prop 65 Warning

WARNING This product can expose you to chemicals including Cadmium which is known to the State of California to cause cancer on birth defects or other reproductive harm. for more information, visit