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Custom Projects

Pacific Dualies is a manufacturer of automotive parts and assemblies. We have been involved in the automotive industry for over 35 years. Please give us a call if you have an item you would like to have mass produced. We can handle any custom project from beginning to end.
We work with multiple technologies such as stamping, die cast, injection molding, etc.
Here is a list of some of the materials we work with: stainless steel, aluminum, ABS plastic, carbon fiber, rubber and neoprene materials with various spec requirements, etc.
Call Toll Free: (800)426-0584

CALLTOLL FREE:1-800-426-0584


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31-1900J Jam Nut - For 31-1950, Silver

Availability: In stock


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31-1900J Jam Nut - For 31-1950, Silver


Jam Nut - For 31-1950, Silver

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Wheel Simulators


Year Chevy Year Ford Year Hino Year International
1974 - 1982 2004 - 2016 2004 - 2016 1990 - 2015
Model Size
C4500 19.5
Axel Set Bolt Diameter Color Hub Configuration Lugs/Vents Piloted Application
N/A 11.25" N/A Auto and Manual 8 Lug, 4 Vent Holes N/A Over The Lug