Yukon Gear & Axle Dura Grip positraction carriers offer great traction and strength, and yet are not overly aggressive for the streets. Yukon Dura Grip positraction carriers are 4-spring, Raybestos composite, clutch-style, limited slip carriers with internal gears machined from forged 4320 steel with stronger teeth. Assembled in the USA, these carriers are rebuildable, allowing for repairs or modifications without buying a new unit. What are you using to transfer power? Choose smooth operation with strong lockup abilities to transfer torque with Yukon Gear & Axle Dura Grip positraction carriers.