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

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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