73-74 GM GMC New Process NP203 Complete Range Box Chevy Chevrolet 27 Spline
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Original NP203 27 spline input range box.
This box is unique to the 73-74 GM models that used the one piece cast iron speedometer housings.
This is the complete box.
New Process part number C-11483 cast into the case.
Manufacture date 10-11-72 so was one of the early boxes manufactured for the new 1973 Square Body trucks.
This box would have had a Turbo 350 attached to it and has a 27 spline input shaft.
