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Yukon Gear & Axle spider gear kits feature higher quality materials and better manufacturing techniques than OEM to ensure a longer lasting spider gear set. Kit delivers everything needed for a complete and proper spider gear set replacement.
Yukon Gear YPKF9-P-31-4 Yukon Positraction internals for 8" & 9" with 31spl axles, in a 4-pinion design
Specifications:
| Description_SHO | Spider Gear Kit |
| Description_INV | YPKF9-P-31-4 |
| Description_ASC | This kit does not contain clutches or the clutch hub. |
| Description_KEY | ,31spl,4,9,DIFFINTFO9,F9-INTLS31,FORD,INTERNALS,IPK,NO Clutches Incl!,PINION,POSI,T/L,YPK, |
| Description_DES | Yukon Positraction internals for 8" & 9" with 31spl axles, in a 4-pinion design |
| Description_SLA | Yukon Positraction internals for 8" and 9" Ford with 31 spline axles, in a 4-pinion design. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. This kit does not include clutches. All components come with a one year warranty against manufacturing defects. |
| Description_ASM | 9" FORD 4-PINION 31spl T/L POSI INTERNALS (NO Clutches Incl!) |
| Description_EXT | Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. |
| Description_MKT | Yukon Gear & Axle spider gear kits feature higher quality materials and better manufacturing techniques than OEM to ensure a longer lasting spider gear set. Kit delivers everything needed for a complete and proper spider gear set replacement. |
| Description_FAB | Spider gear kit |
| Description_FAB | Fits Ford 9" with Trac Loc Positraction with 31 spline axles |
| Description_FAB | Includes two side gears, four pinion gears, cross pin shaft, roll pin and spider gear thrust washers. |
| Description_TLE | Yukon positraction internals for Ford 8"/9" w/31 spline axles, 4-pinion design |
| Description_DEF | Differential Carrier Gear Kit |
This Part Fits:
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 1975 | Ford | F-150 | Ford 9 in.; With Trac-Lok Limited Slip; Positraction Internals; w/ 31 Spline; 4-Pinion,Ford 9 in.; With Trac-Lok Limited Slip; Positraction Internals; w/ 31 Spline; 4-Pinion | |
| 1976 | Ford | F-150 | Ford 9 in.; With Trac-Lok Limited Slip; Positraction Internals; w/ 31 Spline; 4-Pinion,Ford 9 in.; With Trac-Lok Limited Slip; Positraction Internals; w/ 31 Spline; 4-Pinion |