Yukon Gear Ford Lincoln Mercury (4WD/RWD) Differential Carrier - Rear

YGLF9-31-RACE

Mechanical Locker YGLF9-31-RACE This unit is very aggressive and is only recommended for racing or off-road use. Use carrier bearing and race numbers LM104949 and LM104911. ,3.250,31spl,9,AGGRSVE,brg,complete,DET,F9-GRIZ-31-RACE,FORD,GRIZZLY,LOCKER,OFF,or,POSI,RACE,ROAD use,YGL, Yukon Grizzly Locker for Ford 9" with 31 spline axles, racing design. The Yukon Grizzly Locker is the ultimate in 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. This unit requires the use of a 3.250" dropout. Use carrier bearing/race numbers LM104949/LM104911. The Yukon Grizzly locker uses 8620 internals and a patented design to provide maximum strength and reduce common failures. Assembled in the USA! This unit has been approved for competition in NASCAR National and Touring series. This is a race unit designed for extreme off road use or racing. All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000! This locker also fits 9.5" and 10" dropouts. FORD 9" 31spl 3.250" brg AGGRSVE GRIZZLY LOCKER (RACE or OFF ROAD use) 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. Everything about the Yukon Grizzly Locker is hardcore, its casing and gears, its advanced gear tooth design, and its impact on traction and performance. The Yukon Grizzly Locker is a mechanical positive-locking differential that’s engineered for rock crawling, serious trail running, off-road racing, and drag racing. The unit provides 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly Locker is a patented design that features innovations that make it tougher than the competition. Its inner clutch teeth have a larger radius at the base, which offers up to 350% greater strength versus back-cut designs. The Grizzly Locker’s larger teeth also resist breakage caused by shock-loading or catastrophic axle failure. It’s a serious piece of mechanical engineering for serious driving conditions. Fits Ford 9" with 31 spline axles Patented internal design reduces common locker failures 8620 internals for added strength Assembled in the USA Aggressive design for racing applications only