POWERTRAX Grip Pro Taction System Locker; 10.25/10.50-Inch Rear Axle; 35-Spline (99-19 F-250 Super Duty)Find parts that fit my vehicle

Precision Traction for Demanding Conditions. The POWERTRAX Grip Pro Traction Locker is built to deliver maximum traction and performance for your 1999–2019 Ford F-250 Super Duty equipped with a 10.25 or 10.50-inch rear axle. This 35-spline unit is perfect for serious towing, off-road crawling, or heavy-duty work where consistent power delivery to the wheels is essential.

Construction and Appearance. Featuring a raw metal finish, the Grip Pro is engineered with precision-machined internals and durable materials to withstand high torque loads and rugged conditions. Its helical gear-driven design provides smooth, quiet engagement without relying on clutch packs, ensuring long-term durability and reliability under tough driving environments.

Installation. This locker installs as a direct replacement without requiring changes to your existing ring and pinion setup. It fits seamlessly into your factory differential housing and is compatible with OE components, making it a convenient upgrade for technicians and experienced DIYers alike.

Application. The POWERTRAX Grip Pro Traction Locker fits 1999–2019 Ford F-250 Super Duty models with a 10.25 or 10.50-inch rear axle and 35-spline configuration. It delivers dependable, maintenance-free traction for improved stability and control on wet, muddy, or uneven terrain.

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