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products
JB
Conversions NP231 HD Transfer Case with Standard Slip Yoke
Eliminator
Some information by
JB Conversions
The NP231HD is built with
every possible strength upgrade including all that is
available through the aftermarket and original equipment
manufacturer (NVG). We begin with a bare, empty case and
fill it with new components consisting of the following:
Wide chain (genuine
Borg-Warner Morse)
Wide-tooth main sprocket and front output shaft
Heavy Duty SYE kit with 32 spline output shaft
6 pinion planetary gear set
Choice of input gear spline (21, 23, 27, 29 or 32
spline)
New bearings, seals, small parts, filter pickup,
thrust washers, etc.
The 231HD is a direct,
bolt-in replacement for any Dodge or Jeep NP231 transfer
case. Bolt patterns and shifting patterns are the same as
your original unit. Vacuum actuated front axles are also
accommodated.
Also see "Why
you need a Slip Yoke Eliminator"
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