Yukon Gear YPKF8.8-P-28 Positraction Internals For 8.8in Ford w/ 28 Spline Axles
Upgrade the spider gears in your Ford 8.8-inch rear with 28-spline axles using this Yukon Gear internals kit designed for Dura Grip and Eaton positraction units. Built with 9310 steel and precision manufacturing this kit delivers consistent power distribution to both wheels during turns and acceleration. Perfect for Crown Victoria Mustang Ranger and other compatible Ford Lincoln Mercury and Mazda models seeking dependable limited-slip performance without clutches.
Key Features
- 9310 Alloy Steel Gears – High-strength material resists wear for extended service life in high-torque applications
- Precision Cross Pin Shaft – Ensures smooth operation and proper gear alignment under load
- Preload Plates and Shims – Adjustable setup for exact backlash and preload specifications
- Thrust Washers – Eight included blockers reduce friction and support gear movement
- Direct Fit Design – Compatible with Yukon Dura Grip and Eaton Truetrac positractions
- One-Year Warranty – Covers manufacturing defects for peace of mind
Specifications
| Detail | Value |
|---|---|
| Brand | Yukon Gear & Axle |
| Type | Positraction Internals Kit |
| Compatibility | Ford 8.8-inch 28-spline axles Dura Grip Eaton |
| Axle Size | 8.8 inches |
| Spline Count | 28 |
| Material | 9310 Alloy Steel |
| Weight | 4.85 lbs |
| Shipping Dimensions | 9 x 9 x 3 inches |
| Country of Origin | USA |
| Warranty | 1 year against manufacturing defects |
Whats Included
- 2 Side gears
- 4 Pinion spider gears
- 1 Cross pin shaft
- 2 Preload plates
- 8 Thrust washers
- Preload shims
Product Notes
- Kit does not include clutches or friction plates
- Requires professional installation for proper setup
- Use factory service manual for differential disassembly
This Part Fits
| Year Range | Make | Model | Notes |
|---|---|---|---|
| 1992-2008,2010-2011 | Ford | Crown Victoria | Base |
| 2006-2009 | Ford | Crown Victoria | Fleet |
| 2002-2009 | Ford | Crown Victoria | LWB |
| 1992-2011 | Ford | Crown Victoria | LX |
| 2004-2006 | Ford | Crown Victoria | LX Sport |
| 1993-2011 | Ford | Crown Victoria | Police Interceptor |
| 1992-2005 | Ford | Crown Victoria | S |
| 2005 | Ford | Crown Victoria | Special Edition |
| 1992 | Ford | Crown Victoria | Touring Sedan |
| 1978-1982 | Ford | Fairmont | Base |
| 1978-1983 | Ford | Fairmont | Futura |
| 1981,1983 | Ford | Fairmont | S |
| 1979-1980 | Ford | Granada | Base |
| 1979-1980 | Ford | Granada | ESS |
| 1979-1980 | Ford | Granada | Ghia |
| 1981-1982 | Ford | Granada | GL |
| 1981-1982 | Ford | Granada | GLX |
| 1981-1982 | Ford | Granada | L |
| 1983-1986 | Ford | LTD | Base |
| 1983-1986 | Ford | LTD | Brougham |
| 1983-1986 | Ford | LTD | Country Squire |
| 1986 | Ford | LTD | Country Squire LX |
| 1983-1986 | Ford | LTD | Crown Victoria |
| 1986 | Ford | LTD | Crown Victoria LX |
| 1985 | Ford | LTD | LX Brougham |
| 1987-1991 | Ford | LTD Crown Victoria | Base |
| 1987-1991 | Ford | LTD Crown Victoria | LX |
| 1987-1991 | Ford | LTD Crown Victoria | S |
| 1979-1981,1994-2009 | Ford | Mustang | Base |
| 2008-2009 | Ford | Mustang | Bullitt |
| 1981 | Ford | Mustang | Cobra |
| 1979-1981 | Ford | Mustang | Ghia |
| 1982-1983 | Ford | Mustang | GL |
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