New-Process-435 -4-Speed
New Process 435 4-Speed

New Process 435 4-Speed

The NP 435 4-speed is a very common swap for the classic Bronco.

The 435 is an excellent, heavy-duty truck transmission used in & 1/2, 3/4 and 1 ton trucks. It is a well-built transmission and is still relatively easy to locate and generally inexpensive. The strength, relatively short size and the gearing of the transmission make it a good choice for a variety of situations.

The NP435 was made by New Process Gear from 1962 thru 1997. They are found primarily in Ford trucks from 1966 to 1992. For swapping into the classic Bronco the preferred version will have small block Ford bell-housing pattern, a square tail housing bolt pattern and a 28 spline output shaft.

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