Currie 9” 31-Spline Third Member Assembly W/ Gear Ratio
Highlights
- High-Strength Nodular Parts
- Custom Gear Ratio Options
- Smooth Operation
- Improved Traction
Currie 9” 31-Spline Third Member Assembly with Gear Ratio.
This 9" third member assembly offers your classic Ford vehicle superior performance. It is optimized for 31-spline axles and built to order. The assembly comes complete with customizable gear ratios to meet your driving demands. Every unit is made to withstand high-performance applications and deliver exceptional driving experiences. The nodular components ensure unmatched strength and longevity. Available in various gear ratios, this assembly is the solution for transforming your ride.
Features and Benefits:
- High-strength nodular iron gear case for enhanced durability
- Timken bearings for smooth operation
- Setup and assembly by experienced technicians for superior quality
- TwinTrac helical gear limited slip differential for better traction
- Made in the USA ensuring local craftsmanship
- Available in various gear ratios for tailored performance
Kit Includes:
- Nodular iron gear case
- Nodular iron pinion support
- Nodular iron yoke
- Motive Gear ring and pinion set
- Timken bearings
Vehicle Fitment:
- 1965-1973 Mustangs
- 1966-1977 Broncos
- 1948-1979 F-100s
California Residents: Proposition 65 Warning
Related Categories: Mustang Differentials, Bronco Axles, Restomod Rear Axle, F-100 Axles, F-100 Restomod Transmission

Vehicle Fitment
This product will fit the following Bronco years:
This product will fit the following F-100 years:
- 1948,
- 1949,
- 1950,
- 1951,
- 1952,
- 1953,
- 1954,
- 1955,
- 1956,
- 1957,
- 1958,
- 1959,
- 1960,
- 1961,
- 1962,
- 1963,
- 1964,
- 1965,
- 1966,
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
- 1973,
- 1974,
- 1975,
- 1976,
- 1977,
- 1978,
- 1979,
This product will fit the following Mustang years: