Part Number: F9-GRIZ-31-R Brand: Yukon Gear & Axle This racing designed Ford 9" Grizzly Locker is for Loadbolt Housings and is used primarily for racing due to its aggressive design. 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. This locker also fits 9.5" & 10" dropouts.
Fits Ford 9" with 31 spline axles and loadbolt housing
Patented internal design reduces common locker failures
8620 internals for added strength
Assembled in the USA
Aggressive design for racing applications only.
Yukon Grizzly Locker, Ford 9" with 31 splines. - Compare to Detroit Locker - Fits all ratios.
Technical Notes: This unit is very aggressive and is only recommended for racing or off-road use. Use carrier bearing & race numbers LM104949 & LM104911.
Optional Next Generation Rear 40 Spline Assembly.18 months of design, engineering and testing, resulted in the industries strongest 40 spline rear assembly. The design completed rigorous FEA testing and analysis. - Forged chromolyspindles, hubs, and axle shafts - Forged spindles have 4x more yield strengththan 35 spline spindles - Hubs with over 80,000 psi yield strength to match the spindles - Tone rings integrated into the hub - Forged 4340 chromoly 40 spline axle shafts that are 55% strongerthan 4340 35 spline axle shafts
Fusion Elite Kingpin 60 Front Axle Standard Features:
72" width for ideal steering geometry and tire clearance when running 40" tires. Other width available or call for custom width.
High clearance center section with custom low profile fabricated differential cover
Genuine Made in the USA Spicer® 10.1" (256 mm) ring and pinion gear
3.5" diameter x 7/16" wall axle tubes
Lifetime Warranty US Made Chromoly axle shafts with 1480 solid u-joints
Massive, race inspired Kingpin inner knuckle Cs and outer knuckles, no ball joints to wear out
Fully machined springless steering arm attached with 6 ARP Studs
Steering arm upgrades available for full hydro or virtually any application
1/4" plate axle bracketry designed to be the strongest in its class
8 x 6.5 bolt pattern
Massive 13.25" brake rotors and dual piston calipers