Yukon Gear Standard Open Spider Gear Kit — Fits 9in Ford w/ 31 Spline Axles

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SKU: YUKYPKF9-S-31-2
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Yukon Gear & Axle

Yukon Gear & Axle is the off-road and truck differential expert — gear sets, lockers, axle shafts, and complete axle assemblies for Dana 30, Dana 44, Dana 60, and modern AAM axles. The trusted source for rock-crawler and overland gear changes.

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Yukon Gear Standard Open Spider Gear Kit for Ford 9-Inch Differentials

Ensure the reliable operation of your Ford 9-inch differential with the Yukon Gear Standard Open Spider Gear Kit. Specifically engineered for differentials with 31 spline axles and a 2-pinion design, this kit provides a durable and high-quality replacement for worn or damaged spider gears.

Kit Features & Benefits:

  • Designed for 9-Inch Ford: Precision-engineered to fit Ford 9-inch rear ends, a popular and robust axle choice for many classic and performance vehicles.
  • 31 Spline Compatibility: Perfectly matched for axles featuring 31 splines, ensuring proper engagement and function within the differential.
  • 2-Pinion Design: Suitable for differentials utilizing a 2-pinion gear setup, common in many Ford 9-inch applications.
  • Yukon Quality: Manufactured using higher quality materials and advanced techniques compared to OEM standards, ensuring enhanced durability and a longer service life.
  • Direct Replacement: Provides all the necessary spider gears for a complete replacement, restoring proper differential function.
  • Warranty Protection: Backed by a one-year warranty against manufacturing defects, offering peace of mind with your purchase.

This Yukon Gear spider gear kit is essential for maintaining the integrity and performance of your differential. Whether you're rebuilding a worn unit or performing a routine maintenance task, choosing Yukon ensures you're using components built to withstand the rigors of daily driving and performance use. Trust Yukon Gear & Axle for dependable drivetrain components.

Get the Yukon Gear Standard Open Spider Gear Kit for your Ford 9in differential at GGCRACING today!

Vehicle Fitment

Years Make Model Trim
1966-1974 Ford Bronco Base
1968-1969 Ford Bronco Roadster
1968-1973 Ford Bronco Wagon
1975 Ford Bronco Northland
1975 Ford Bronco Ranger
1975-1977 Ford Bronco Sport
1975-1986 Ford Bronco Custom
1978 Ford Bronco Northland
1978-1981 Ford Bronco Ranger XLT
1982-1983 Ford Bronco XLS
1982-1983 Ford Bronco XLT Lariat
1984-1986 Ford Bronco XLT
1985-1986 Ford Bronco Eddie Bauer
1969-1974 Ford E-100 Econoline Club Wagon
1969-1982 Ford E-100 Econoline Base
1975-1978 Ford E-100 Econoline Northland
1975-1982 Ford E-100 Econoline Chateau
1975-1983 Ford E-100 Econoline Custom
1983 Ford E-100 Econoline XL
1979-1982 Ford E-150 Econoline Base
1979-1982 Ford E-150 Econoline Chateau
1979-1983 Ford E-150 Econoline Custom
1983-1988 Ford E-150 Econoline XL
1984-1986 Ford E-150 Econoline Base
1987-1988 Ford E-150 Econoline Custom
1979-1982 Ford E-150 Econoline Club Wagon Chateau
1979-1982 Ford E-150 Econoline Club Wagon Base
1979-1983 Ford E-150 Econoline Club Wagon Custom
1983-1988 Ford E-150 Econoline Club Wagon XL
1984-1986 Ford E-150 Econoline Club Wagon Base
1984-1988 Ford E-150 Econoline Club Wagon XLT
1987-1988 Ford E-150 Econoline Club Wagon Custom
1969-1974 Ford E-200 Econoline Base
1969-1974 Ford E-200 Econoline Club Wagon
1970-1974 Ford E-200 Econoline Custom Wagon
1971-1972 Ford E-200 Econoline Chateau Wagon
1975-1978 Ford E-250 Econoline Northland
1975-1980 Ford E-250 Econoline Base
1975-1980 Ford E-250 Econoline Chateau
1975-1980 Ford E-250 Econoline Custom
1985 Ford E-250 Econoline XL
1957-1974 Ford F-100 Base
1975-1978 Ford F-100 Northland
1975-1981 Ford F-100 Ranger
1975-1981 Ford F-100 Ranger XLT
1975-1982 Ford F-100 Custom
1976-1978 Ford F-100 Base
1977 Ford F-100 XLT
1978-1981 Ford F-100 Ranger Lariat
1982-1983 Ford F-100 XL
1982-1983 Ford F-100 XLS
1982-1983 Ford F-100 XLT Lariat
1983 Ford F-100 Base
1975-1978 Ford F-150 Northland
1975-1981 Ford F-150 Ranger
1975-1981 Ford F-150 Ranger XLT
1975-1982 Ford F-150 Custom
1976-1978 Ford F-150 Base
1977 Ford F-150 XLT
1978-1981 Ford F-150 Ranger Lariat

…and 73 additional fitments. Contact us to confirm yours.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Yukon Gear & Axle

Yukon Gear & Axle is the off-road and truck differential expert — gear sets, lockers, axle shafts, and complete axle assemblies for Dana 30, Dana 44, Dana 60, and modern AAM axles. The trusted source for rock-crawler and overland gear changes.

Watch in action

Yukon Gear Standard Open Spider Gear Kit for Ford 9-Inch Differentials

Ensure the reliable operation of your Ford 9-inch differential with the Yukon Gear Standard Open Spider Gear Kit. Specifically engineered for differentials with 31 spline axles and a 2-pinion design, this kit provides a durable and high-quality replacement for worn or damaged spider gears.

Kit Features & Benefits:

  • Designed for 9-Inch Ford: Precision-engineered to fit Ford 9-inch rear ends, a popular and robust axle choice for many classic and performance vehicles.
  • 31 Spline Compatibility: Perfectly matched for axles featuring 31 splines, ensuring proper engagement and function within the differential.
  • 2-Pinion Design: Suitable for differentials utilizing a 2-pinion gear setup, common in many Ford 9-inch applications.
  • Yukon Quality: Manufactured using higher quality materials and advanced techniques compared to OEM standards, ensuring enhanced durability and a longer service life.
  • Direct Replacement: Provides all the necessary spider gears for a complete replacement, restoring proper differential function.
  • Warranty Protection: Backed by a one-year warranty against manufacturing defects, offering peace of mind with your purchase.

This Yukon Gear spider gear kit is essential for maintaining the integrity and performance of your differential. Whether you're rebuilding a worn unit or performing a routine maintenance task, choosing Yukon ensures you're using components built to withstand the rigors of daily driving and performance use. Trust Yukon Gear & Axle for dependable drivetrain components.

Get the Yukon Gear Standard Open Spider Gear Kit for your Ford 9in differential at GGCRACING today!

Vehicle Fitment

Years Make Model Trim
1966-1974 Ford Bronco Base
1968-1969 Ford Bronco Roadster
1968-1973 Ford Bronco Wagon
1975 Ford Bronco Northland
1975 Ford Bronco Ranger
1975-1977 Ford Bronco Sport
1975-1986 Ford Bronco Custom
1978 Ford Bronco Northland
1978-1981 Ford Bronco Ranger XLT
1982-1983 Ford Bronco XLS
1982-1983 Ford Bronco XLT Lariat
1984-1986 Ford Bronco XLT
1985-1986 Ford Bronco Eddie Bauer
1969-1974 Ford E-100 Econoline Club Wagon
1969-1982 Ford E-100 Econoline Base
1975-1978 Ford E-100 Econoline Northland
1975-1982 Ford E-100 Econoline Chateau
1975-1983 Ford E-100 Econoline Custom
1983 Ford E-100 Econoline XL
1979-1982 Ford E-150 Econoline Base
1979-1982 Ford E-150 Econoline Chateau
1979-1983 Ford E-150 Econoline Custom
1983-1988 Ford E-150 Econoline XL
1984-1986 Ford E-150 Econoline Base
1987-1988 Ford E-150 Econoline Custom
1979-1982 Ford E-150 Econoline Club Wagon Chateau
1979-1982 Ford E-150 Econoline Club Wagon Base
1979-1983 Ford E-150 Econoline Club Wagon Custom
1983-1988 Ford E-150 Econoline Club Wagon XL
1984-1986 Ford E-150 Econoline Club Wagon Base
1984-1988 Ford E-150 Econoline Club Wagon XLT
1987-1988 Ford E-150 Econoline Club Wagon Custom
1969-1974 Ford E-200 Econoline Base
1969-1974 Ford E-200 Econoline Club Wagon
1970-1974 Ford E-200 Econoline Custom Wagon
1971-1972 Ford E-200 Econoline Chateau Wagon
1975-1978 Ford E-250 Econoline Northland
1975-1980 Ford E-250 Econoline Base
1975-1980 Ford E-250 Econoline Chateau
1975-1980 Ford E-250 Econoline Custom
1985 Ford E-250 Econoline XL
1957-1974 Ford F-100 Base
1975-1978 Ford F-100 Northland
1975-1981 Ford F-100 Ranger
1975-1981 Ford F-100 Ranger XLT
1975-1982 Ford F-100 Custom
1976-1978 Ford F-100 Base
1977 Ford F-100 XLT
1978-1981 Ford F-100 Ranger Lariat
1982-1983 Ford F-100 XL
1982-1983 Ford F-100 XLS
1982-1983 Ford F-100 XLT Lariat
1983 Ford F-100 Base
1975-1978 Ford F-150 Northland
1975-1981 Ford F-150 Ranger
1975-1981 Ford F-150 Ranger XLT
1975-1982 Ford F-150 Custom
1976-1978 Ford F-150 Base
1977 Ford F-150 XLT
1978-1981 Ford F-150 Ranger Lariat

…and 73 additional fitments. Contact us to confirm yours.

Product Details

Product Description

About Yukon Gear & Axle

Yukon Gear & Axle is the off-road and truck differential expert — gear sets, lockers, axle shafts, and complete axle assemblies for Dana 30, Dana 44, Dana 60, and modern AAM axles. The trusted source for rock-crawler and overland gear changes.

Watch in action

Yukon Gear Standard Open Spider Gear Kit for Ford 9-Inch Differentials

Ensure the reliable operation of your Ford 9-inch differential with the Yukon Gear Standard Open Spider Gear Kit. Specifically engineered for differentials with 31 spline axles and a 2-pinion design, this kit provides a durable and high-quality replacement for worn or damaged spider gears.

Kit Features & Benefits:

  • Designed for 9-Inch Ford: Precision-engineered to fit Ford 9-inch rear ends, a popular and robust axle choice for many classic and performance vehicles.
  • 31 Spline Compatibility: Perfectly matched for axles featuring 31 splines, ensuring proper engagement and function within the differential.
  • 2-Pinion Design: Suitable for differentials utilizing a 2-pinion gear setup, common in many Ford 9-inch applications.
  • Yukon Quality: Manufactured using higher quality materials and advanced techniques compared to OEM standards, ensuring enhanced durability and a longer service life.
  • Direct Replacement: Provides all the necessary spider gears for a complete replacement, restoring proper differential function.
  • Warranty Protection: Backed by a one-year warranty against manufacturing defects, offering peace of mind with your purchase.

This Yukon Gear spider gear kit is essential for maintaining the integrity and performance of your differential. Whether you're rebuilding a worn unit or performing a routine maintenance task, choosing Yukon ensures you're using components built to withstand the rigors of daily driving and performance use. Trust Yukon Gear & Axle for dependable drivetrain components.

Get the Yukon Gear Standard Open Spider Gear Kit for your Ford 9in differential at GGCRACING today!

Vehicle Fitment

Years Make Model Trim
1966-1974 Ford Bronco Base
1968-1969 Ford Bronco Roadster
1968-1973 Ford Bronco Wagon
1975 Ford Bronco Northland
1975 Ford Bronco Ranger
1975-1977 Ford Bronco Sport
1975-1986 Ford Bronco Custom
1978 Ford Bronco Northland
1978-1981 Ford Bronco Ranger XLT
1982-1983 Ford Bronco XLS
1982-1983 Ford Bronco XLT Lariat
1984-1986 Ford Bronco XLT
1985-1986 Ford Bronco Eddie Bauer
1969-1974 Ford E-100 Econoline Club Wagon
1969-1982 Ford E-100 Econoline Base
1975-1978 Ford E-100 Econoline Northland
1975-1982 Ford E-100 Econoline Chateau
1975-1983 Ford E-100 Econoline Custom
1983 Ford E-100 Econoline XL
1979-1982 Ford E-150 Econoline Base
1979-1982 Ford E-150 Econoline Chateau
1979-1983 Ford E-150 Econoline Custom
1983-1988 Ford E-150 Econoline XL
1984-1986 Ford E-150 Econoline Base
1987-1988 Ford E-150 Econoline Custom
1979-1982 Ford E-150 Econoline Club Wagon Chateau
1979-1982 Ford E-150 Econoline Club Wagon Base
1979-1983 Ford E-150 Econoline Club Wagon Custom
1983-1988 Ford E-150 Econoline Club Wagon XL
1984-1986 Ford E-150 Econoline Club Wagon Base
1984-1988 Ford E-150 Econoline Club Wagon XLT
1987-1988 Ford E-150 Econoline Club Wagon Custom
1969-1974 Ford E-200 Econoline Base
1969-1974 Ford E-200 Econoline Club Wagon
1970-1974 Ford E-200 Econoline Custom Wagon
1971-1972 Ford E-200 Econoline Chateau Wagon
1975-1978 Ford E-250 Econoline Northland
1975-1980 Ford E-250 Econoline Base
1975-1980 Ford E-250 Econoline Chateau
1975-1980 Ford E-250 Econoline Custom
1985 Ford E-250 Econoline XL
1957-1974 Ford F-100 Base
1975-1978 Ford F-100 Northland
1975-1981 Ford F-100 Ranger
1975-1981 Ford F-100 Ranger XLT
1975-1982 Ford F-100 Custom
1976-1978 Ford F-100 Base
1977 Ford F-100 XLT
1978-1981 Ford F-100 Ranger Lariat
1982-1983 Ford F-100 XL
1982-1983 Ford F-100 XLS
1982-1983 Ford F-100 XLT Lariat
1983 Ford F-100 Base
1975-1978 Ford F-150 Northland
1975-1981 Ford F-150 Ranger
1975-1981 Ford F-150 Ranger XLT
1975-1982 Ford F-150 Custom
1976-1978 Ford F-150 Base
1977 Ford F-150 XLT
1978-1981 Ford F-150 Ranger Lariat

…and 73 additional fitments. Contact us to confirm yours.

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