Gear Ratio Guide for Older Tyres When ever you change tire size from the original size to another there will be a direct effect on power and drivability. We have developed this chart to help you select the optimum gear ratio to put your performance back where you want it.

POSI LOK   4WD ON THE FLY! 4x4 Posi-Lok is a "POSI"tive engagement device that replaces failure prone factory vacuum or electric front axle engagement systems. 4x4 Posi-Lok is simple and easy to install, and allows you to manually engage your 4 wheel drive--while sitting still or on the fly--from inside the cab for true 100% engagement every time. Posi-Lok works with manual-lever or electric push-button type transfer case systems.

Genuine Gear GENUINE QUALITY GEAR SETS AND DRIVETRAIN PRODUCTS Quality: Genuine Gear Ring & Pinion sets and drivetrain components are manufactured to the highest standards. Value: The latest in manufacturing, transportation and distribution processes, ensure high quality product delivered to you at the best possible price. Product Range: Leading the industry with the largest 4 Wheel Drive and Light Truck drivetrain product line available anywhere.

OffRoad Unlimited    ORU's Heavy Duty Aluminum Finned differential Covers not only adds the competition look to your vehicle, Their increased oil capacity and finned design provide better cooling for any differential. Manufactured from 356 aluminum and heat treated to T-6 specs for strength and rugged durability. Each cover comes complete with a heavy duty gasket and plated flanged head serrated bolts, ready for immediate installation. ORU's covers are available for all models of 4x4 vehicles and many 2wd vehicles. Finishes available are; fully polished, natural, or black with machined fins.

Warn Drivetrain Product    If you thought Warn only made Great winches you've mistaken. Warn offers Several Drivetrain Parts such as Locking Hubs, Axle Conversions, and Hub Conversions. Click here to see the great parts they offer.

Mile Marker    For owners of full time 4wd vehicles, here is a selection of products that allow for a variety of conversions. Count on these kits to reduce wear and tear on your drivetrain as well as saving at the gas pump. In some cases, these are the only kits available for your vehicle. In all cases, each kit has been carefully designed to provide years of trouble-free service.

Detroit Lockers   Detroit Lockers are born and bred right here in the United States. Detroit Lockers are the automatic, positive locking differential that has successfully driven more vehicles over more types of terrain than any other traction differential in its class. Detroit Lockers offer a positive gear action where no clutches are used to engage the axles. Its automatic operation works easily in both reverse and forward action. And its special design minimizes shock loads created under stress. The pressure or stress can be transferred directly to your driveline sometimes causing or hastening early failure. The bottom line for all Detroit Locker products is that they are TOUGH...PERIOD!

Auburn Gear Differentials  The Supergrip Limited Slip Differential has been a leader in traction-adding differentials for years - on the track on the highway and off-road! Put your power to the ground - where you need it - with an Auburn Supergrip! Adavantages of a Supergrip Limited Slip Differential! 30 % Larger Spider Gears: Auburn Gears unique "end-cap" design allows for larger spider gears which means less wear, more work! More Torque To The High Traction Wheel: Even when the loose wheel has Zero traction, Auburn Gear applies the torque to the wheel you need most! Less Deflection Under Load: The stress is on the extra large flange and 1-piece housing, not on the case bolts!

Dana Spicer  Dana Corporation is perhaps the largest manufacture of Original Equipment Axle assemblies in the world today. We at Four Wheel Parts Wholesalers are proud to be one of Americas largest distributors of Dana Spicer light truck products today. Because of our long standing relationship and volume we are able to provide great prices and quick service out of one of the largest light truck inventories in the country. So for the best in online Dana Spicer light truck products, combined with inventory and knowledgeable sales staff, we can meet your needs. Order ONLINE today or call our 800 number for the information that will get the job done right the first time.

ARB Air Lockers  Advantages of an ARB Air Locker: EASY TO USE: Dash-mounted push-button operation allows the driver to engage or disengage the Air Locker at will; locking takes place in 1/10th of a second.RELIABLE: Uses high-grade aircraft alloy components; up to twice as strong as stock differential components.VERSATILE: Ideal for both street and trail use; especially suited for use in front differentials.AIR POWERED: On-board air compressor provides 80-105 psi for inflating tires, rafts, etc; fast-recovery compressor. When using optional RDPUK inflation

Centre Force   Centerforce clutch systems are designed with the diverse needs of the customer,or end user in mind. Because of these diverse needs, Centerforce offers a multilevel line to meet the requirements of a wide range of vehicles and their intended uses. To obtain the proper system, it is extremely important to completely qualify and verify the vehicle, not only by its make and model year, but also "define" its intended use. A stock vehicle used for commuting to and from the work place has an entirely different requirement than a "high performance" vehicle driven at the extreme of its capabilities, and beyond!

Stanless Steel Brake   Stainless Steel Brakes Corporation-The leader in disc brake conversion kits...on or off road! All kits are typically 100% complete bolt on, welding and drilling are not required. Included are all necessary, brackets, rotors, calipers, pads, lines, bolts, fasteners, & detailed instructions.