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1991 Ford F-250
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1991 Ford F-250

1991 Ford F-250 Spider Gear Kits

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Yukon standard open spider gear kit for Dana 50 with 30 spline axles
Yukon Gear & Axle®
Yukon standard open spider gear kit for Dana 50 with 30 spline axles
Part Number: YUKYPKD50S30
Guaranteed to Fit
$218.89
Vehicle Fitment
  • 1991 Ford F-250 XL All Engines 4WD, Dana 50
  • 1991 Ford F-250 Custom All Engines 4WD, Dana 50
  • 1991 Ford F-250 XLT Lariat All Engines 4WD, Dana 50
Product Details
Location : Rear AxleNotes : Open Differential with 30 Spline AxlesAxle Type : Dana Spicer 50Spline Count : 30Includes : Two Side Gears, Two Pinion Gears, Cross Pin Shaft, Roll Pin and Spider Gear Thrust WashersRecommended Use : PerformanceWarranty : 1 year Yukon Gear & Axle limited warrantyQuantity Sold : KitProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Yukon Dura Grip Clutch Kit for Ford 10.25" and Ford 10.5"
Yukon Gear & Axle®
Yukon Dura Grip Clutch Kit for Ford 10.25" and Ford 10.5"
Part Number: YUKYPKF1025PCDG1
Guaranteed to Fit
$358.89
Vehicle Fitment
  • 1991 Ford F-250 All Submodels All Engines Dana 60/70/80; Duragrip Posi Clutch Kit
Product Details
Warranty : 1 year Yukon Gear & Axle limited warrantyQuantity Sold : KitProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

10.25" TracLoc (Ford Case) Paper/Composite Lined Clutch Set
Yukon Gear & Axle®
10.25" TracLoc (Ford Case) Paper/Composite Lined Clutch Set
Part Number: YUKYPKF1025PCL
Guaranteed to Fit
$259.89
Vehicle Fitment
  • 1991 Ford F-250 XL All Engines 4WD, Ford 10.25 in.
  • 1991 Ford F-250 Custom All Engines RWD, Ford 10.25 in.
  • 1991 Ford F-250 XLT Lariat All Engines RWD, Ford 10.25 in.
Product Details
Location : RearNotes : Trac Loc Positraction without Clutch Guides; This Kit Does Not Come with Belleville SpringsAxle Type : Ford 10.25 in.Spline Count : 35Recommended Use : PerformanceWarranty : 1 year Yukon Gear & Axle limited warrantyQuantity Sold : KitProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

USA Standard Gear replacement spider gear set for Dana 50, 30 spline
USA Standard Gear®
USA Standard Gear replacement spider gear set for Dana 50, 30 spline
Part Number: YSTZIKD50S30
Guaranteed to Fit
$131.49
Vehicle Fitment
  • 1991 Ford F-250 XL All Engines 4WD, Dana 50
  • 1991 Ford F-250 Custom All Engines 4WD, Dana 50
  • 1991 Ford F-250 XLT Lariat All Engines 4WD, Dana 50
Product Details
Location : Front AxleNotes : Open DifferentialAxle Type : Dana Spicer 30Spline Count : 30Includes : Two Side Gears, Two Pinion Gears, Cross Pin Shaft, Roll Pin and Spider Gear Thrust WashersRecommended Use : PerformanceWarranty : 1 year USA Standard Gear limited warrantyQuantity Sold : KitProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

USA Standard Gear replacement spider gear set for Dana 60, 35 spline
USA Standard Gear®
USA Standard Gear replacement spider gear set for Dana 60, 35 spline
Part Number: YSTZIKD60S35
Guaranteed to Fit
$132.49
Vehicle Fitment
  • 1991 Ford F-250 Custom All Engines 4WD, DANA 60
  • 1991 Ford F-250 XLT Lariat All Engines 4WD, DANA 60
  • 1991 Ford F-250 XL All Engines 4WD, DANA 60
Product Details
Location : Front AxleNotes : 35 Spline Open DifferentialAxle Type : Dana Spicer 60,Spline Count : 35Includes : Two Side Gears, Two Pinion Gears, Cross Pin Shaft, Roll Pin and Spider Gear Thrust WashersRecommended Use : PerformanceWarranty : 1 year USA Standard Gear limited warrantyQuantity Sold : KitProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Dana 60 & Dana 70 Power Lok clutch set (steel & fiber).
Yukon Gear & Axle®
Dana 60 & Dana 70 Power Lok clutch set (steel & fiber).
Part Number: YUKYPKD60PCPL
Guaranteed to Fit
$172.89
Vehicle Fitment
  • 1991 Ford F-250 Custom All Engines 4WD, DANA 60
  • 1991 Ford F-250 XLT Lariat All Engines 4WD, DANA 60
  • 1991 Ford F-250 XL All Engines 4WD, DANA 60
Product Details
Location : FrontNotes : Powr Lok PositractionAxle Type : Dana Spicer 60, 70, 70U and 70HDSpline Count : 16Recommended Use : PerformanceWarranty : 1 year Yukon Gear & Axle limited warrantyQuantity Sold : KitProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Replacement clutch set for Dana 44 Powr Lok, smooth
Yukon Gear & Axle®
Replacement clutch set for Dana 44 Powr Lok, smooth
Part Number: YUKYPKD44PCSM
Guaranteed to Fit
$176.89
Vehicle Fitment
  • 1991 Ford F-250 Custom All Engines 4WD, Dana 44
  • 1991 Ford F-250 XLT Lariat All Engines 4WD, Dana 44
  • 1991 Ford F-250 XL All Engines 4WD, Dana 44
Product Details
Location : FrontNotes : Powr Lok PositractionAxle Type : Dana Spicer 44 and Chrysler 8.75 in.Spline Count : 19Recommended Use : PerformanceWarranty : 1 year Yukon Gear & Axle limited warrantyQuantity Sold : KitProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Replacement clutch set for Dana 44 Powr Lok, aggressive
Yukon Gear & Axle®
Replacement clutch set for Dana 44 Powr Lok, aggressive
Part Number: YUKYPKD44PCAG
Guaranteed to Fit
$229.89
Vehicle Fitment
  • 1991 Ford F-250 Custom All Engines 4WD, Dana 44
  • 1991 Ford F-250 XLT Lariat All Engines 4WD, Dana 44
  • 1991 Ford F-250 XL All Engines 4WD, Dana 44
Product Details
Location : FrontNotes : Powr Lok PositractionAxle Type : Dana Spicer 44 and Chrysler 8.75 in.Spline Count : 19Recommended Use : PerformanceWarranty : 1 year Yukon Gear & Axle limited warrantyQuantity Sold : KitProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Dana 60 & Dana 61 TracLoc clutch set.
Yukon Gear & Axle®
Dana 60 & Dana 61 TracLoc clutch set.
Part Number: YUKYPKD60PCTL
Guaranteed to Fit
$264.89
Vehicle Fitment
  • 1991 Ford F-250 Custom All Engines 4WD, DANA 60
  • 1991 Ford F-250 XLT Lariat All Engines 4WD, DANA 60
  • 1991 Ford F-250 XL All Engines 4WD, DANA 60
Product Details
Location : FrontNotes : Trac Loc PositractionAxle Type : Dana Spicer 60Spline Count : 16Recommended Use : PerformanceWarranty : 1 year Yukon Gear & Axle limited warrantyQuantity Sold : KitProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Yukon standard open spider gear kit, Dana 60 and 61 w/35 spline axles
Yukon Gear & Axle®
Yukon standard open spider gear kit, Dana 60 and 61 w/35 spline axles
Part Number: YUKYPKD60S35
Guaranteed to Fit
$279.89
Vehicle Fitment
  • 1991 Ford F-250 Custom All Engines 4WD, DANA 60
  • 1991 Ford F-250 XLT Lariat All Engines 4WD, DANA 60
  • 1991 Ford F-250 XL All Engines 4WD, DANA 60
Product Details
Location : Front AxleNotes : Open Differential with 35 Spline AxlesAxle Type : Dana Spicer 60Spline Count : 35Includes : Two Side Gears, Two Pinion Gears, Cross Pin Shaft, Roll Pin and Spider Gear Thrust WashersRecommended Use : PerformanceWarranty : 1 year Yukon Gear & Axle limited warrantyQuantity Sold : KitProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Yukon Dura Grip Spider Gear Set for Dana 50 Differential with 30 Spline Axles
Yukon Gear & Axle®
Yukon Dura Grip Spider Gear Set for Dana 50 Differential with 30 Spline Axles
Part Number: YUKYPKD50P30
Guaranteed to Fit
$352.89
Vehicle Fitment
  • 1991 Ford F-250 XL All Engines 4WD, Dana 50
  • 1991 Ford F-250 Custom All Engines 4WD, Dana 50
  • 1991 Ford F-250 XLT Lariat All Engines 4WD, Dana 50
Product Details
Location : Rear AxleNotes : Dura Grip PositractionAxle Type : Dana Spicer 50Spline Count : 30Includes : Two Side Gears, Four Pinion Gears, Cross Pin Shaft, Roll Pin and Spider Gear Thrust WashersRecommended Use : PerformanceWarranty : 1 year Yukon Gear & Axle limited warrantyQuantity Sold : KitProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Yukon standard open spider gear kit for 10.25" & 10.5" Ford with 35 spline axles
Yukon Gear & Axle®
Yukon standard open spider gear kit for 10.25" & 10.5" Ford with 35 spline axles
Part Number: YUKYPKF1025S35
Guaranteed to Fit
$399.89
Vehicle Fitment
  • 1991 Ford F-250 All Submodels All Engines Ford 10.25 in.
Product Details
Location : Rear AxleNotes : This Kit is a 2-Pinion DesignAxle Type : Ford 10.25 in.Spline Count : 35Includes : Two Side Gears, Two Pinion Gears, Cross Pin Shaft, Cross Pin Bolt and Spider Gear Thrust WashersRecommended Use : PerformanceWarranty : 1 year Yukon Gear & Axle limited warrantyQuantity Sold : KitProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Yukon Carbon Clutch kit with 14 Plates for 10.25"/10.5" Ford posi, Eaton style
Yukon Gear & Axle®
Yukon Carbon Clutch kit with 14 Plates for 10.25"/10.5" Ford posi, Eaton style
Part Number: YUKYPKF1025PC14
Guaranteed to Fit
$399.89
Vehicle Fitment
  • 1991 Ford F-250 XL All Engines 4WD, Ford 10.25 in.
  • 1991 Ford F-250 Custom All Engines RWD, Ford 10.25 in.
  • 1991 Ford F-250 XLT Lariat All Engines RWD, Ford 10.25 in.
Product Details
Location : RearNotes : Eaton PositractionAxle Type : Ford 10.25 in.Spline Count : 35Recommended Use : PerformanceWarranty : 1 year Yukon Gear & Axle limited warrantyQuantity Sold : KitProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Yukon replacement posi internals, Dana 60 (full and semi float), 35 spline
Yukon Gear & Axle®
Yukon replacement posi internals, Dana 60 (full and semi float), 35 spline
Part Number: YUKYPKD60TL35
Guaranteed to Fit
$642.89
Vehicle Fitment
  • 1991 Ford F-250 Custom All Engines 4WD, DANA 60
  • 1991 Ford F-250 XLT Lariat All Engines 4WD, DANA 60
  • 1991 Ford F-250 XL All Engines 4WD, DANA 60
Product Details
Location : Rear AxleNotes : Trac Loc Positraction with 35 Spline AxlesAxle Type : Dana Spicer 60Spline Count : 35Includes : Two Side Gears, Two Pinion Gears, Cross Pin Shaft, Roll Pin and Spider Gear Thrust WashersRecommended Use : PerformanceWarranty : 1 year Yukon Gear & Axle limited warrantyQuantity Sold : KitProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Yukon replacement positraction internals for Dana 60 and 70 with 35 spline axles
Yukon Gear & Axle®
Yukon replacement positraction internals for Dana 60 and 70 with 35 spline axles
Part Number: YUKYPKD60PL35
Guaranteed to Fit
$799.89
Vehicle Fitment
  • 1991 Ford F-250 Custom All Engines 4WD, DANA 60
  • 1991 Ford F-250 XLT Lariat All Engines 4WD, DANA 60
  • 1991 Ford F-250 XL All Engines 4WD, DANA 60
Product Details
Location : Rear AxleNotes : Powr Lok Positraction with 35 Spline AxlesAxle Type : Dana Spicer 60Spline Count : 35Includes : Two Side Gears, Four Pinion Gears, Cross Pin Shafts and Side Gear Thrust WashersRecommended Use : PerformanceWarranty : 1 year Yukon Gear & Axle limited warrantyQuantity Sold : KitProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

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Your Guide to How Spider Gears Work, Plus FAQs
Your Guide to How Spider Gears Work, Plus FAQsInside the differential case, there are two side gears and two pinion gears. The pinion gears are technically the spider gears, but many people simply refer to all four of the gears as spider gears. A spider gear is an example of a bevel gear that rotates around the differential case.