1971 Ford E-100 Econoline Differentials

The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker is a mechanical locking differential. It features a forged case and 8620 internals for maximum strength. It’s patented design reduces common locker failures. All units assembled in the USA! All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000!

Product Features:

• Fits Ford 8.8″ with 31 spline axles
• Patented internal design reduces common locker failures
• 8620 internals for added strength
• Assembled in the USA

All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!

Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for Ford 8.8″ differential. This kit contains carrier bearings, races and shims.

Product Features:

• Fits Ford 8.8″
• Includes carrier bearings and races and “super” carrier shim kit

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″ without aftermarket Daytona pinion support
• Included are pinion bearings and races, pinion seal, pilot bearing , crush sleeve , complete pinion shim kit, and marking compound with brush.

Ford 8″ & 9″ standard Open, AG, & Detroit locker ring gear bolt, 1.0″ long, Ford.

Product Features:

• Ring gear bolt for Ford 8″ and 9″
• For use with standard open carrier, Auburn Gear limited slip and Detroit Locker
• 1.0″ long

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

Yukon Trac Loc positraction, Ford 8.8″, 31 spline, with Carbon Fiber clutches.

Product Features:

• Trac Loc positraction carrier case
• Includes spider gears
• Fits Ford 8.8″ with 31 spline axles
• Carbon fiber clutches

9″ Ford gasket.

Product Features:

• Dropout gasket
• Fits Ford 9″

Product Features:

• Inner oil slinger for Dana Spicer 25, 27, 30, 44 and 50

Replacement pinion nut washer for Dana 25, 27, 30, 36, 44 & 53.

Product Features:

• Pinion nut washer for Dana Spicer 25, 27, 30, 44 and 50

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 Ford 8″
• 8.00″ ring gear diameter
• 25 spline pinion
• 10 ring gear bolts
• 3.55 ratio

Yukon short yoke for Ford 9″ HD with 28 spline axles and a 1330 U/joint size. 4″ length. 3.625″ snap ring span, 1.125″ cap diameter. Outside snap ring. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:

• Fits Ford 9″
• 28 spline
• 1330 u-joint size
• 3.625″ snap ring span
• 1.125″ cap diameter
• Outside snap ring design
• U-bolt style

Yukon Extra HD 3.062″ nodular Iron dropout for Ford 9″. Yukon nodular iron dropouts feature a 5/8″ cap bolt and forged caps for maximum strength. Rated up to 1200HP!

Product Features:

• Fits Ford 9″
• 3.062″ carrier race diameter
• Nodular iron for added strength

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!

Yukon Master Overhaul kits give you all the high quality parts you need to start & finish every differential job. Yukon offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. This kit uses carrier bearings & races with an I.D. of 1.780″ and an O.D. of 2.891″. This kit uses Timken bearings and races along with high quality seals and small parts. Included in this kit are carrier bearings and races, pinion bearings and races, pilot bearing, pinion seal, complete shim kit, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), Thread locking compound, and marking compound with brush. Yukon’s Master Overhaul kits are the most comprehensive and complete kits on the market. They do extensive research to ensure that every kit is specially tailored to your application.

Product Features:

• Fits Ford 9″ with LM102910 carrier race
• Included are Timken bearings and races, pinion bearings and races, pilot bearing, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve , thread locker, marking compound with brush, and gasket.

Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

• Meets or exceeds all original equipment specifications
• Application specific design to ensure a perfect fit
• Unsurpassed quality you can trust
• Validated for fit, form and function
• Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes

This differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

• Direct replacement – this differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles
• Required replacement – when servicing the differential
• 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

8″ Ford pilot bearing retainer.

Product Features:

• Pilot bearing retainer for Ford 8″

Redline Synthetic “Shock Proof” Oil. 4 Quarts.

Product Features:

• Includes four quarts of Redline Shockproof oil

Product Features:

• Side gear thrust washer for Ford 8″, Ford 9″ and AMC Model 20
• 0.030″ thick

Pilot bearing retainer for Ford 9″.

Product Features:

• Pilot bearing retainer for Ford 9″

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

Product Features:

• Meets or exceeds OE specifications

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

Pinion nut for Ford 7.5″, 8″, 8.8″, 9 3/8″ & 9″. 1 1/6″ socket, 3/4″ x 20 thread.

Product Features:

• Pinion nut for Ford 7.5″, 8″ and 9″
• 3/4″ x 20 thread
• 1 1/6″ socket

Fine thread pinion support bolt (aftermarket aluminum only) for 9″ Ford.

Product Features:

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

3.062″ side adjuster, Only Fits Yukon Ford 9″ Drop Out, new design ONLY.

Product Features:

• Side adjuster
• Fits Ford 9″
• 3.062″ designs only

Product Features:

• Oil baffle for Dana Spicer 44