SKU: YGLF9-35 | UPC: 883584280118
Yukon Gear Grizzly Locker For Ford 9in w/ 35 Spline Axles (1957-1986)
The Yukon Gear Grizzly Locker is a mechanical positive-locking differential designed for Ford 9-inch axles with 35 spline axles. It fits a wide range of Ford trucks cars and Broncos from 1957 to 1986 including F-100 F-150 Mustang Fairlane Falcon Galaxie Ranchero and Econoline vans. This locker locks both wheels for maximum traction in rock crawling trails off-road racing and drag strips while unlocking during turns for smooth handling.
Key Features
- Patented Clutch Teeth: Inner teeth feature larger radius at base for 350% greater strength over back-cut designs preventing failure under extreme loads
- Advanced Gear Teeth: Larger teeth design resists shock-loading and breakage from axle failures or impacts
- 100% Power Delivery: Sends full power to both tires instantly for unmatched grip in low-traction conditions
- Automatic Disengagement: Unlocks during turns to eliminate driveline binding and maintain steering control
- Heavy-Duty Construction: Hardened casing and gears built for rock crawling serious trails racing and drag applications
Product Notes
- Requires Ford 9-inch differential with 35 spline axles and 3.25 gear ratio and up carrier breaks
- Replaces stock spider gears in open carrier no limited-slip compatible
- Ships in protective packaging weight 27 lbs box dimensions 12in x 12in x 12in
Installation Notes
- Professional installation recommended.
- Complete differential disassembly required including axle bearing preload setup
- Compatible with OEM or aftermarket 35 spline axles and 9-inch carriers
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1957-1970 | Ford | Fairlane | 500 |
| 1966-1967 | Ford | Fairlane | 500XL |
| 1957-1969 | Ford | Fairlane | Base |
| 1960-1970 | Ford | Falcon | Base |
| 1962 | Ford | Falcon | Deluxe |
| 1963-1970 | Ford | Falcon | Futura |
| 1963-1965 | Ford | Falcon | Futura Sprint |
| 1959-1967 | Ford | Galaxie | Base |
| 1957-1974 | Ford | F-100 | Base |
| 1976-1978 | Ford | F-100 | Base |
| 1983 | Ford | F-100 | Base |
| 1975-1982 | Ford | F-100 | Custom |
| 1975-1978 | Ford | F-100 | Northland |
| 1975-1981 | Ford | F-100 | Ranger |
| 1978-1981 | Ford | F-100 | Ranger Lariat |
| 1975-1981 | Ford | F-100 | Ranger XLT |
| 1966-1974 | Ford | Bronco | Base |
| 1975-1986 | Ford | Bronco | Custom |
| 1985-1986 | Ford | Bronco | Eddie Bauer |
| 1965-1970 | Ford | Mustang | Base |
| 1969-1970 | Ford | Mustang | Boss 429 |
| 1970-1973 | Ford | Mustang | Grande |
| 1970-1973 | Ford | Mustang | Mach 1 |
| 1967-1979 | Ford | Ranchero | Base |
| 1975-1982 | Ford | F-150 | Custom |
| 1975-1981 | Ford | F-150 | Ranger |
| 1975-1981 | Ford | F-150 | Ranger XLT |
| 1964-1969 | Mercury | Comet | Base |
| 1967-1973 | Mercury | Cougar | Base |
| 1969-1974 | Ford | E-100 Econoline | Club Wagon |
Why Choose Yukon Gear?
- Engineered and tested for decades in extreme off-road and racing environments
- Patented designs deliver reliable locking performance without compromise
- Precision-machined components ensure long-term durability in harsh conditions
Frequently Asked Questions
-
Q: Will this locker fit my 1970 Ford F-100 with 9-inch rear?
A: Yes it fits 1957-1974 Ford F-100 Base and Custom models equipped with 9-inch axle and 35 spline axles -
Q: What materials are used in the Grizzly Locker?
A: Constructed from high-strength forged steel with hardened gears and clutch teeth for maximum impact resistance -
Q: What warranty covers this product?
A: Backed by Yukon's one-year manufacturer warranty against defects in materials and workmanship
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Secure cardboard box 12 x 12 x 12 inches
- Weight: 27 lbs
Differentials
Performance differentials, limited-slip differentials, locking differentials, and traction upgrades are stocked at Black Ops Auto Works. Shop clutch-type LSDs, helical gear LSDs, automatic lockers, selectable air lockers, electronic lockers, spool-style race components, differential carriers, truck and Jeep lockers, import performance LSDs, and axle-specific units for Subaru WRX and STI, Nissan Z and Skyline, BMW M, Mazda Miata, Porsche, Ford 8.8, Dana axles, GM trucks, Ram trucks, and off-road builds. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 235 differential SKUs across limited-slip designs, locking systems, axle spline counts, carrier cases, street and track traction upgrades, off-road configurations, and drivetrain-specific fitment. What This Differential Collection Covers A differential splits torque between driven wheels while allowing different wheel speeds through ...
View Differentials Products
Differentials & Components
Differentials and components at Black Ops Auto Works include diff braces, diff covers, rebuild and overhaul kits, differential bushings and mounts, limited-slip differentials, yokes, and final drive gears built for street, towing, off-road, and racing applications. Black Ops Auto Works carries 1,332 drivetrain SKUs from Yukon Gear and Axle, ARB, OS Giken, SuperPro, and Per4mance Development, spanning Hellcat and Trackhawk platforms, trucks, Jeep Wrangler, and sport compacts. What This Collection Covers This collection combines fifteen related differential and drivetrain categories, including diff braces, diff covers and gaskets, rebuild and overhaul kits, install kits, seal kits, bushings, mounts, housings, dropouts, spider gears, yokes, complete differentials, and final drive gears. Product Types in This Collection Shoppers will find billet differential braces for high-horsepower RWD platforms, nodular iron and aluminum diff covers, master overhaul kits, differential-to-cradle ...
View Differentials & Components Products
Drivetrain
Drivetrain parts for high-horsepower Mopar, truck, Jeep, and import platforms are stocked at Black Ops Auto Works. Shop differentials, axles, driveshafts, clutch kits, flywheels, flexplates, shifters, transmission components, ring and pinion gears, differential braces, and driveline hardware for Hellcat, Trackhawk, TRX, HEMI, LS, LT, Coyote, and turbocharged import platforms. Every drivetrain part is filterable by vehicle platform, drivetrain layout, transmission type, and power level so the correct part ships the first time. Black Ops Auto Works carries 4,765 drivetrain SKUs across differentials, axles, clutches, and transmission hardware. What This Category Covers The drivetrain transfers power from the engine to the wheels and includes the transmission, clutch, driveshafts, axles, differentials, ring and pinion gears, wheel hubs, wheel bearings, U-joints, shifters, mounts, and bushings. Upgrading these components improves power delivery, durability, and reliability under incr...
View Drivetrain Products
Yukon Gear & Axle
Yukon Gear and Axle drivetrain parts are stocked at Black Ops Auto Works for GM, Ford, Chrysler, Ram, and Jeep platforms. Shop ring and pinion sets, positraction and locker units, axle overhaul kits, differential covers, driveshafts, and manual transmission rebuild components for Dana 60/61, GM 8.2/8.5/8.6/9.5, Ford 8.8/9/10.25/10.5, and Chrysler 8.25/9.25 inch axles. Yukon parts are proven in extreme-duty use, including King of the Hammers and Moab rock crawling events, and every part here is filterable by axle size, gear ratio, and spline count. Black Ops Auto Works carries 1122 Yukon Gear and Axle SKUs across ring and pinion, differential, and axle rebuild categories. What This Brand Covers Yukon Gear and Axle builds ring and pinion sets, differential carriers, positraction and locking differentials, axle shafts, bearing and seal kits, driveshafts, and manual transmission rebuild components for domestic trucks, SUVs, and Jeeps. The brand is best known for supporting extreme-d...
View Yukon Gear & Axle Products


