Axle & Drivetrain Parts Looking for axle and drivetrain parts that convert your engine power into hill-climbing power? We offer a wide variety of shave kits, axle rebuild parts, and axle truss kits. Our high-quality fabrication parts will get you back out off-roading in your next adventure. Choose from a full range of reliable builder parts for custom off-road drivetrain parts and off-road axles, including everything from differential covers to exhaust parts. We also offer disc brake components, drive flange kits, and transfer case supports. The fabrication parts you choose can make a big difference in the life and quality of your vehicle. At TMR Customs we are your one-stop shop when it comes to off-roading for your trucks, buggies, 4x4s, and more. Shop our 4x4 Off Road Parts today!