they made the one ford motorsport speedometer that goes to 140 as a aftermarket part because the stock 87-88s had 5.0s that had 85mph speedos and owners swapped them out they also made a 160 but even though if it says certified calibration check for the trunk release if it is a civilian car it will be in the glove box if it is a ssp it will be below the steering wheel on the sides or near the right side of the cluster cover
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