NOS Dualmatic Locking Hubs Warn M16 Napco 54-21 Chevrolet GMC 58-59 Ford 56-58 / 16 Spline

New Old Stock

One set of Dualmatic locking hubs with original box.
Very hard to find set of Dualmatic locking hubs for early NAPCO conversions done in Chevrolet, GMC, and Ford pickups.
Same application as Warn M16.
Comes as pictured.
Comes with (7) 5/16" mounting bolts, missing (5). The NAPCO 54-21 hub flange mounts with (8) bolts, these Dualmatic hubs only require 6 bolts to mount each hub.
Engage and disengage properly.
Check pictures for condition. 
Just need to be wiped clean and lightly greased.

Will fit:
NAPCO 54-21 Drive Flange
Chevrolet:
3100 and 3200     1958-1959
GMC:
101 and 102        1958-1959
Ford:
F100    1956-1958

Bolt Circle: 2.844  or 2-27/32"
No. of Bolts: 8  (5/16" bolt) (Dualmatic require 6 mounting bolts per hub)
No. of splines: 16
Axle O.D.: 1.250

Please measure your drive flange or your locking hubs to make sure they will work.
Last pictures will show you everything it will fit.







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Payment due 7 days after sale.

Item will be shipped within 1 business day after payment is received.