The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.
Ford 8.8" Reverse Front 31 spline
2011 and Newer 8.8 Front
Compatible with Models:
F-150 1/2 Ton: 2009 - 2018 (Front)
F-150 Raptor Edition: 2010 - 2015 (Front)