Strange N1980 S-Trac Differential for Ford 9-Inch, 35-Spline Steel

Upgrade a Ford 9-inch rearend with the Strange N1980 S-Trac Differential, engineered for drivers and builders who need dependable traction and durable performance. This differential uses a steel construction and a 35-spline design to support high-performance drivetrain applications while providing consistent power transfer under demanding conditions. Its S-Trac configuration helps distribute torque effectively, improving traction when one wheel begins to lose grip.
Designed as a direct-fit differential component for compatible Ford 9-inch housings, the Strange N1980 is well suited for street performance vehicles, drag cars, off-road builds, and other applications requiring a strong limited-slip solution. The robust construction is intended to handle increased drivetrain loads while maintaining reliable operation during acceleration and cornering. Confirm housing, axle spline, carrier, and gear setup compatibility before installation.
The Strange N1980 Differential is supplied as an individual unit and is identified by part number N1980. It combines Strange engineering with a proven S-Trac design to deliver durable, predictable performance for high-output rearend systems. Professional installation is recommended to ensure correct setup, backlash, bearing preload, lubrication, and ring-and-pinion alignment. The product is not air restricted and does not require truck freight shipping.

Features:

• Brand: Strange

• Part Number: N1980

• Differential Type: S-Trac limited-slip differential

• Application: Ford 9-inch rearend housings

• Spline Count: 35-spline

• Construction: Durable steel

• Quantity: Sold individually

• Shipping Classification: Not truck freight only

• Air Restriction: No air restriction