1977 Mercury Grand Marquis Differentials

Chrome cover for 8.8″ Ford.

Product Features:

• Fits Ford 8.8″
• Chrome

The Powertrax Lock-Right ultra-strength alloy locker’s straight-line performance is equal to a solid spool, but automatically unlocks in turns. Best suited for extreme off-road to severe on-road use, Powertrax Lock Right lockers replace the spider gears in your open differential carrier using basic tools and without affecting your ring and pinion settings. The whole job can be done in your driveway in a couple of hours, pin included! 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!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.

Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.

Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.

Powertrax® = Extreme Traction Systems!

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!

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

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

Product Features:

• Fits Ford 9″ with 28 spline pinion
• Larger inner pinion bearing reduces gear deflection under high load
• Nodular iron
• Does not include races

Side gear with hub for 9″ Ford with 31 splines.

Product Features:

• Side gear with hub
• Fits Ford 8″ and 9″ standard open differential and Trac Loc positraction with 31 spline axles

Formulated to meet the specific requirements of Subaru vehicles equipped with conventional (non-CVT) transmissions up to model year 2005. Recommended for service-fill in all Subaru automatic transmissions where SUBARU ATF HP is specified. Fuel economy demands and more sophisticated electronic controls have made automatic transmissions not only more complex, but also unique to each vehicle manufacturer. Long gone are the days of having just a couple choices of automatic transmission fluid type. Idemitsu is the factory fill Automatic Transmission Fluid (ATF) supplier to most Asian imports. Idemitsu application-specific ATF products match the exact friction materials and performance requirements of each different vehicle model for which they are made.

Product Features:

• Excellent resistance to oxidation and thermal breakdown provide long fluid life and extended protection
• Precisely engineered frictional characteristics guarantee smooth shifting and outstanding anti-shudder performance
• Excellent resistance to oxidation and thermal breakdown provide long fluid life and extended protection
• Excellent seal compatibility and conditioning reduces risk of fluid leaks due to seal shrinkage, hardening and cracking
• Advanced anti-wear technology provides maximum protection to gears and bearings
• Precisely engineered frictional characteristics guarantee smooth shifting and outstanding anti-shudder performance
• Provides superior cleanliness, maintaining the transmission free of sludge and varnish deposits
• Excellent seal compatibility and conditioning reduces risk of fluid leaks due to seal shrinkage, hardening and cracking
• Advanced anti-wear technology provides maximum protection to gears and bearings

8.6″ GM 99-08 PINION Bearing & SEAL KIT .

Product Features:

• Pilot bearing
• Fits Ford 9″
• 0.656″ thick

Product Features:

• Shim kit
• Fits Ford 8.8″, 1963-1979 Corvette, GM 12 bolt passenger car and truck, 8.2″, 8.5″ and 8.6″ Dura Grip positraction

Product Features:

• MINI INSTALL KIT FORD 9″

Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty.

Product Features:

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

Trac Loc ring gear bolt washer for 8″ and 9″ Ford.

Product Features:

• Ring gear bolt for Ford 8″ and 9″
• For Trac Loc positraction applications only

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.

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

8″ & 9″ Ford 4-Tab clutch kit with 9 pieces (late TracLoc).

Product Features:

• Clutch kit
• Fits Ford 8″ and 9″ Trac Loc positraction

Standard open and TracLoc cross pin block for 9″ Ford.

Product Features:

• Cross pin block
• Fits Ford 9″

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

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 28 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, 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 7.5″
• Included are pinion bearings and races, pinion seal, pinion nut, crush sleeve, complete pinion shim kit, and marking compound with brush.

Remanufactured Rear Axle assemblies are completely disassembled, thoroughly cleaned and reassembled using new wear parts. Units are assembled, sealed & include backing plates, axle shafts & fluid.

Product Features:

• Rear axles are assembled with backing plates & axle shafts, and filled with fluid prior to shipping
• Axles are fully painted & shipped securely in environmentally safe and recyclable containers that are the perfect size for returning your original core
• Our complete Rear axle assemblies mean you just hang brakes, connect suspension & go! Your installation will be simple and trouble free
• Remember to match axle ratio to original. For 4WD rear axle must match front axle ratio

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

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
• Engineered for the sealing repair environment
• Validated for fit, form and function
• Unsurpassed quality you can trust

Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv

Product Features:

• KIT, SUPER BRG & SEAL-FORD 7.5

Product Features:

• Trac Loc spring for Ford 8.8″
• 31 spline applications only

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

Product Features:

• All products are designed to meet or exceed OE quality, form, fit and funtion.

Product Features:

• Super carrier shim kit for Ford 7.5″, GM 7.5″, 7.625″, 7.6″ IFS, 7.6″ IRS, 7.75″, 8.2″, 8.2″ Buick, Oldsmobile and Pontiac and GM 8.5″ front and rear
• Interlocking design makes installation much easier

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