1979 Mercury Cougar Differentials

9″ Ford pinion nut, 35 spline Large pinion oversize.

Product Features:

• Pinion nut
• Fits Ford 9″ with 35 spline pinion

The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Trac Loc uses a nodular case, billet side hat, and forged internals for higher strength than stock Trac-Locs. The units use composite clutches for high performance and long life. All units are Rebuildable. Yukon offers a one year warranty against manufacturing defects.

Product Features:

• Fits Ford 9″ with 31 spline axles
• Trac Loc positraction
• Clutch style positraction
• Street design
• Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
• Fully rebuildable
• Assembled in the USA

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 Daytona pinion support
• Included are pinion bearings and races, pinion seal, pinion nut, crush sleeve, complete pinion shim kit, and marking compound with brush.

Ford 8″ & 9″ TracLoc ring gear bolt, 1-1/4″ long.

Product Features:

• Ring gear bolt for Ford 8″ and 9″
• For use with Trac Loc limited slip
• 1.25″ long

Yukon 1541H alloy replacement rear axle for Dana 60, 70, and 80, 35 spline. (40″ to 43.5″) Full float axle (8×3.96″ ). Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a one year warranty against manufacturing defects. This is a full-floating axle.

Product Features:

• 35 spline
• 8 x 3.96″ bolt pattern
• Cut to length design fits 40″-43.5″ applications
• Fits Dana Spicer 60, 70 and 80

Yukon 1541H alloy 4 lug rear axle for ’84-’88 7.5″ and 8.8″ Ford Thunderbird or Cougar with a length of 30″ inches and 28 splines. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a one year warranty against manufacturing defects. This is a C-clip axle.

Product Features:

• 28 spline
• 4 lug
• 30.0″ long
• Fits Ford 7.5″ and 8.8″ in 1980-1988 Thunderbird and Cougar

Product Features:

• Dura Grip positraction carrier case
• Does not include spider gears
• Fits Ford 8.8″ with 31 spline axles

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

Product Features:

• Super carrier shim kit for Ford 8.8″, GM 12 bolt passenger car and truck, GM 8.0″, 8.6″, 8.6″ IRS and 1963-1979 Corvette
• Interlocking design makes installation much easier

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!

This differential disc kit is a low-cost, time-saving repair solution for the posi-traction function. They are designed to match the fit and performance of the original disc on specific vehicle years, makes and models.

Product Features:

• Direct replacement – this differential clutch kit provides the necessary components for repairing the original equipment on specific vehicles
• Quality materials – all components are built for reliable longevity and performance
• Smart solution – provides original equipment fit and function for a competitive price compared to original manufacturer
• Trustworthy quality – backed by team of designers and engineers in the United States

Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.

Trac Loc clutch guide for 9″ Ford.

Product Features:

• Clutch guide
• Fits Ford 8″ and 9″

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

The Spartan Locker, by USA Standard Gear, provides reliable traction at a low cost. Give your vehicle great traction and save some cash. Choose a Spartan Locker for better traction. The Spartan locker by USA standard gear is a mechanical locker that replaces the spiders in a standard case. The Spartan locker’s design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap! The couplers are made from 9310 steel, for added strength. Each Spartan locker carries a one year warranty against defect. This unit uses the factory side gears.

Product Features:

• Fits Ford 8″ and 9″ with 28 or 31 spline axles
• Made from 9310 steel for added strength
• Works with stock side gears in standard carrier case

With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

Product Features:

• High-precision and High-quality components used in all KITs
• Coverage of classic and new high-tech solutions for the best system coverage

8″ Ford O-ring.

Product Features:

• Pinion support o-ring
• Fits Ford 8″

Replacement outer oil slinger for Ford 7.5″, 8.8″, 9″, 10.25″, Nissan Titan rear, Dana 44 Rubicon & 44 JK non-Rubicon.

Product Features:

• Outer oil slinger for Ford 10.25″, 7.5″, 8.8″ and 9″ also Jeep JK and Nissan Titan rear

Chrome cover for 8.8″ Ford.

Product Features:

• Fits Ford 8.8″
• Chrome

8.8″ Ford cover gasket.

Product Features:

• Cover gasket
• Fits Ford 8.8″

Crush Sleeve for Model 20, Ford 10.25″, 10.5″, 7.5″, 8.8″, 9 3/8″, 9″ & 9.75″. .480″ long.

Product Features:

• Crush sleeve for AMC Model 20, Ford 10.25″, 10.5″, 7.5″, 8.8″, 9″ and 9.75″
• 0.480″ tall

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Product Features:

• CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
• PREMIUM MATERIALS: Precision manufactured using premium-grade steel for outstanding durability and performance
• SMOOTH ROTATION: Crowned raceways and rollers for even load distribution
• OE-STYLE DESIGN: Engineered to meet OE specifications
• COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
• RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on

Adjuster lock bolt 3.062″ & 3.250″ Yukon Ford 9″ Drop Out.

Product Features:

• Side adjuster lock bolt

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9″ Yukon 3.250″ aluminum case, HD Drop Out housing, with load bolt. Made from A356-T6 aluminum & featuring a through bolt design, this dropout is rated for up to 1400 horsepower!

Product Features:

• Fits Ford 9″
• 3.250″ carrier race diameter
• A356-T6 aluminum
• Thru-bolt design added strength
• With load bolt

9″ Ford yoke spacer (to use Daytona or race yoke with standard Open style support).

Product Features:

• Fits Ford 9″
• 28 spline
• Spacer to install short Dayonta style yoke in stock pinion support

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

Product Features:

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