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Dodge 4x4 Ford 4x4 GMC & Chevrolet 4x4
Jeep 4x4 Nissan 4x4 Toyota 4x4
Your 4x4 leaves the factory with meticulously engineered gear ratios to fit the factory size tires, at factory designated weights. When you make modifications, like adding heavy accessories and bigger tires, your transmission, power and mileage take a beating. Our differential gears are specially designed for each vehicle to reduce the wear on your transmission, provide more power and fuel economy for those over land trips with all your stuff.