Advance Adapters 50-3901 - Manual (Page 2)

FORD NP435 4SPD TRANSMISSION
TO NP 23-SPLINES TRANSFER CASE
ADVANCE ADAPTERS INC. P/N: 50-3901
P.O. Box 247, 4320 Aerotech Center Way Old Part No: 711039-23
Paso Robles, CA 93447 PAGE 2 OF 2
Telephone: (800) 350-2223 Fax: (805) 238-4201 Page Rev. Date: 08-27-12
SPECIAL NOTE: The components packaged in this kit have been assembled and machined for specific type of conversions. Modifications to any of the
components will void any possible warranty or return privileges. If you do not fully understand modifications or changes that will be required to complete your conversion,
we strongly recommend that you contact our sales department for more information. This instruction sheet is only to be used for the assembly of Advance Adapter
components. We recommend that a service manual pertaining to your vehicle be obtained for specific torque values, wiring diagrams and other related equipment.
These manuals are normally available at automotive dealerships and parts stores.
NOTE: Advance Adapters machines the new output shaft to the same specifications of your stock main shaft.
However, every so often we have had customers inform us of a problem with the rear snap ring grove not being
wide enough. This grove is in the same location as the stock NP435 shaft. We have found that New Process
has had different thicknesses of snap rings through the years. If your snap ring will not fit into the snap ring
grove once the rear bearing is installed, the easiest fix is to sand the snap ring thinner until it fits. If you
do this, you should put the side of the snap ring that has not been sanded towards the bearing.
DAPTERS
51-3800
DVANCE