Quick view Yukon Gear & Axle Yukon Gear 16+ Chrysler 11.8in AAM Helical Gear Positraction - Fits 16 Bolt Ring Gear - YP PC11.8-HELIC-16B Compare $1,494.00 $1,351.99 Yukon gear-type helical limited slip differentials know how to put the power down. They use floating helical-cut worm gears that lock the torque down when acceleration or wheel slippage occurs, transferring torque to the tire with the best traction in a... Add to Cart Add to Cart