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How to Thread a Shift Rod

Shift rods are used in cars, trucks and motorcycles that have manual transmissions. A shift rod consists of two eye-bolts that are threaded onto a steel rod. As you change gears, the shift rod engages and disengages the clutch linkage. Shift rods are available in various lengths from auto parts stores, or you can have one cut to a custom length to fit your particular application. A die set may be used to cut threads on a blank or universal shift rod when the original is not available.

Instructions

1

Place the shift rod in a bench vise and secure it firmly. If the rod is chrome, place a shop towel around the shift rod before you tighten the vise to keep the rod from being scuffed.

2

Measure the internal threads of the eye-bolts with the thread gauge. The gauge will have a mark on its side to show which size thread will need to be cut.

3

Select the correct size die and install it in the die wrench. Secure the die by tightening the two screws in the wrench to hold it in place.

4

Apply cutting fluid to the area that is being threaded. Place the die wrench on top, perpendicular to the shift rod. Turn the wrench clockwise while pushing down. For every full turn, back the wrench off one-half turn to remove burrs. Continue to turn the wrench until you have cut the thread the desired length.

5

Remove metal shavings and excess cutting oil from the shift rod with a shop towel. If cutting both ends of the shift rod, remove it from the vise and turn it over. Repeat Steps 1 through 4.