1981 Ford F-150 Pickup Differentials

For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!

Product Features:

• FRD 8.8″ INT. KIT 31 SPL OPEN 1987 & LATER ONLY

Product Features:

• FULL SPOOL 9″, 28 SPL. LIGHTWEIGHT

This differential pinion shaft lock bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:

• Direct replacement – this differential pinion shaft lock bolt matches the fit and function of the factory part on specified years, makes and models
• Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
• Durable construction – this part is made from quality materials to ensure reliable performance and long service life
• Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

Product Features:

• Cover gasket
• Fits Dana Spicer 44

Dana 30 & Dana 44 Power Lok bolt, left hand, & 8.75″ Chrysler & 55P.

Product Features:

• Power Lok case bolt for Dana Spicer 30, Dana Spicer 44, Chrysler 8.75″ and 1955-1964 GM passenger car
• Left hand thread

Redline Synthetic “Shock Proof” Oil with positraction Additive. 4 Quarts.

Product Features:

• Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive

Set-up carrier bearing (2 bearings, no races) 25590. No return.

Product Features:

• Set up bearing kit
• Fits Dana Spicer 44
• Easily slips on and off carrier journals to allow for easier carrier shim adjustment

1.250″ pinion adaptor sleeve (stock pinion into large support).

Product Features:

• Adapter sleeve
• Fits Ford 9″
• Adapts 28 spline pinion into 35 spline pinion support

Pinion support bolt for 8″ and 9″ Ford.

Product Features:

• Pinion support bolt for Ford 8″ and 9″
• 3/8″ x 24 thread
• 1.0″ long

Yukon Pinion installation kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings & races can be reused. This kit uses Timken bearings and races along with a high quality pinion seal and small parts. Included in this kit are the pinion bearings and races, pilot bearing (if applicable), crush sleeve (if applicable), complete pinion shim kit, pinion nut, thread locker, and marking compound with brush. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your pinion gear.

Product Features:

• Fits Ford 9″ with oversize Daytona pinion support
• 28 spline
• Included are pinion bearings and races, pinion seal, pinion nut, crush sleeve, complete pinion shim kit, and marking compound with brush.

Product Features:

• Trac Loc spring plate for Ford 8″ and 9″

The Yukon carrier bearing Puller works with an impact gun to quickly and safely remove carrier bearings without damaging them. This unit comes with a handy bench top stand and works with up to most standard one ton applications. This unit is works with differentials up to one-ton applcations. It is not compatible with Dana 70HD, Dana 80, 10.25″ & 10.5″ Ford, or GM & Chrysler 11.5″ differentials.

Product Features:

• Carrier bearing puller
• Works with an impact gun to safely and easliy remove carrrier bearings
• Not compatible with Dana 70HD, Dana 80, Ford 10.25″ and 10.5″ or Gm and Chrysler 11.5″ applications

One (1) specialty bearing race to adapt small bearing journal into a 3.250″ dropout. This adapter allows the use of a 28 or 31 spline carrier, positraction or locker in a 3.250″ dropout. This is a perfect solution if you are currently running 28 or 31 spline axles but are looking to upgrade to 35 spline later, or are stepping down from 35 spline but don’t want to buy a new dropout.

Product Features:

• Carrier race
• Fits Ford 9″
• Conversion race to install small bearing carrier into 3.250″ dropout

Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:

• Meets or exceeds OE specifications

Product Features:

• Seal housing for Dana Spicer 44
• Includes o-rings

Side gear thrust washer (0.750″ shaft) for 8.8″ Ford.

Product Features:

• Side gear thrust washer for Ford 8.8″
• 0.750″ diameter cross pin shaft applications only

8.8″ Ford 7/8″ diameter Notched cross pin shaft (.875″ for ’86 and newer). This cross pin shaft is not compatible with Powertrax Lock Rights or Spartan Lockers.

Product Features:

• Notched cross pin shaft for Ford 8.8″
• 0.875″ diameter
• Not compatible with Spartan Locker or Powertrax Lock Right

O-ring for 9″ Ford.Yukon Mighty seal.

Product Features:

• Pinion support o-ring
• Fits Ford 9″

Yukon 1541H replacement left hand assembly for Dana 44 (’80-’92 F150) with 30 splines. The inner axle measures 15.7 inches and the axle measures 25.6 inches overall. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy front axles come with a one year warranty against manufacturing defects.

Product Features:

• 30 spline
• 25.6″ long
• Fits Dana Spicer 44 IFS in 1980-1992 Ford F150
• Left hand assembly
• 5-760X U-joint size

8.8″ Reverse inner pinion bearing oil baffle.

Product Features:

• Oil baffle
• Fits Ford 8.8″ IFS

STAR washers, 3.250″ Yukon Ford 9″ Drop Out new design ONLY.

Product Features:

• Star washer
• Fits Ford 9″
• 3.250″ designs only

2 piece solid spacer for Ford 8.8 and 7.5.

Product Features:

• Crush sleeve eliminator kit for Ford 7.5″ and 8.8″

National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:

• Designed to repair damaged, grooved or worn shafts
• Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
• Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
• Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
• Easy to install with removable flange and installation tool
• Installation tool reduces sleeve distortion and allows for installation without removal from the shaft

Ford 9″ pinion Support, 35 spline, 10 hole, no races included.

Product Features:

• Fits Ford 9″ with 35 spline pinion
• Larger inner pinion bearing reduces gear deflection under high load
• 6061 aluminum
• 10 bolt holes
• Does not include races

Yukon standard open spider gear kit for 8.8″ Ford with 31 spline axles and 7/8″ pin. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. All components come with a one year warranty against manufacturing defects.

Product Features:

• Spider gear kit
• Fits Ford 8.8″ with 31 spline axles
• Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
• 0.875″ cross pin shaft diameter

USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring & pinion sets for a variety of common & hard to find applications. USA standard gear offers a standard one year warranty against defects on their ring & pinion sets.

Product Features:

• Fits standard rotation Ford 8.8″
• 8.80″ ring gear diameter
• 30 spline pinion
• 10 ring gear bolts
• 3.27 ratio

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