1966 Mercury Comet Differentials
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Richmond®Excel™ Ring and Pinion Gear SetMercury Comet 1966, Excel™ Ring and Pinion Gear Set by Richmond®. Designed utilizing the latest technology, this product by Richmond features premium quality and will perform better than advertised. Perfect for your vehicle and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$238.99 - $284.99 - Motive Gear®Rear A-Line Ring and Pinion Gear SetMercury Comet with 10 Bolt, Ford 9" Series Axle 1966, Rear A-Line Ring and Pinion Gear Set by Motive Gear®. Motive Gear stock performance ring and pinions are excellent replacements for OE. Experienced installers prefer ring and pinions...Quiet operationComputer controlled heat treatment$192.04 - $227.17
- Yukon Gear & Axle®High Performance Ring and Pinion Gear SetMercury Comet 1966, High Performance Ring and Pinion Gear Set by Yukon Gear & Axle®. Yukon Ring and Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the...Smooth finishEasy Set-Up$378.89 - $1,999.89
- Spicer®Rear Mini SpoolMercury Comet with 28 Spline, Ford 9" Series Axle 1966, Rear Mini Spool by Spicer®. Designed to replace the spider gears inside the differential case, Spicer mini spools are a fast, effective way to get full lock-up on the dirt track or...Expertly crafted from premium materialsDesigned to match rigorous quality standards$52.40
- Spicer®Rear Third Member CaseMercury Comet with 3.250" Carrier Bore, 35 Spline / 40 Spline 1966, Rear Third Member Case by Spicer®. Wherever limits are tested, Dana is there with products engineered to meet the needs of off-roaders, racers, and more. We offer...Expertly crafted from premium materialsDesigned to match rigorous quality standards$443.40
- Yukon Gear & Axle®Grizzly Locker™ Rear DifferentialMercury Comet 1966, Grizzly Locker™ Rear Differential by Yukon Gear & Axle®. The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to...Available for many popular off-road & performance applicationsPatent pending design reduces common failures$899.89 - $1,180.89
- Yukon Gear & Axle®Rear Dropout HousingMercury Comet with Ford 9" Series Axle 1966, Rear Dropout Housing by Yukon Gear & Axle®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium...Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain$612.89 - $826.89
- Yukon Gear & Axle®Rear Mini SpoolMercury Comet with Ford 9" Series Axle 1966, Rear Mini Spool by Yukon Gear & Axle®. Mini spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier and give 100%...Provides 100% traction to both wheels at all timesInstalls into standard open carrier case$54.89
- Yukon Gear & Axle®Trac Loc™ Rear DifferentialMercury Comet 1966, Trac Loc™ Rear Differential by Yukon Gear & Axle®. Yukon took on this project by looking for ways to make it better. By designing a thicker 1541H billet hat that added more strength, they eliminated the need for...Forged case and billet steel left case halfForged 4320 internals for maximum strength$795.89 - $899.89
- Richmond®Excel™ Rear Differential CarrierMercury Comet Empty Case Housing 1966, Excel™ Rear Differential Carrier by Richmond®. Designed utilizing the latest technology, this product by Richmond features premium quality and will perform better than advertised. Perfect for...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$237.45 - $288.08
- Richmond®Pro Gear Ring and Pinion Gear SetMercury Comet 1966, Pro Gear Ring and Pinion Gear Set by Richmond®. Richmond Gear ring and pinions are perfect for any vehicle where performance and durability matters. Made from first-run steel, never recycled material, Richmond ring...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$462.60 - $719.99
- Richmond®Rear Street Gear Ring and Pinion Gear SetMercury Comet 1966, Rear Street Gear Ring and Pinion Gear Set by Richmond®. Richmond Gear ring and pinions are perfect for any vehicle where performance and durability matters. Made from first-run steel, never recycled material,...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$243.99 - $719.99
- AllStar Performance®SpoolMercury Comet with Ford 9" Series Axle 1966, Spool by AllStar Performance®. Replace a troublesome positive traction unit with a high quality Allstar spool. Substantially lighter than conventional carriers, spools deliver equal power to...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$149.99 - $199.99
- Motive Gear®Performance Rear Ring and Pinion Gear SetMercury Comet 1966, Performance Rear Ring and Pinion Gear Set by Motive Gear®. Motive Gear Performance ring and pinions are perfect for dedicated racing or off-road vehicle. Gear sets are made from first-run steel, Motive Gear never use...Central contact patternCNC start to finish$303.99 - $853.99
- Motive Gear®Rear Ring and Pinion Gear SetMercury Comet with 10 Bolt, Ford 9" Series Axle 1966, Rear Ring and Pinion Gear Set by Motive Gear®. Motive Gear stock performance ring and pinions are excellent replacements for OE. Experienced installers prefer ring and pinions for...Quiet operationComputer controlled heat treatment$307.99 - $349.99
- Powertrax®Grip Pro Traction SystemMercury Comet 1966, Grip Pro Traction System by Powertrax®. The Powertrax Grip Pro is a gear driven limited slip differential designed to be among the strongest and most durable in the industry. It combines the smooth operation of a...Comes Fully AssembledDelivers Progressive and Variable Traction$566.71 - $1,081.78
- Timken®Rear Differential Pinion SealMercury Comet 1966, Rear Differential Pinion Seal by Timken®. Timken offers the right seal to keep your vehicle running optimally. Timken seals provide ultimate protection from contaminants and help retain lubricants and liquids,...Machined rubber sealing edge provides greater accuracy and consistency and a better sealing surfaceAn extra dust lip helps keep harmful contaminants out and protects against rust and corrosion$11.81 - $11.99
- National®Rear Differential Pinion SealMercury Comet 1966, Rear Differential Pinion Seal by National®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by...National oil seals are recognized worldwide for their quality and reliable performance for every type of repair.Design Type: Spring Loaded; Multi-Lip$12.01 - $12.58
- Timken®Rear Differential RaceMercury Comet 1966, Rear Differential Race by Timken®. Precision manufactured using premium materials and made by the company that is trusted by many carmakers, the Timken race is the right choice if you opt for a highly durable part...OE quality fit, performance, and reliabilityCost-effective friction management solution$6.76 - $12.16
- SKF®Rear Differential Rebuild KitMercury Comet with 8.0" Ring Gear 1966, Rear Differential Rebuild Kit by SKF®. Designed utilizing the latest technology, this product by SKF features premium quality and will perform better than advertised. Perfect for your vehicle and...Excellent replacement for your worn out or faulty partDesigned to restore original performance and reliability$130.19 - $177.01
- Yukon Gear & Axle®Rear Spider Gear SetMercury Comet with Ford 9" Series Axle 1966, Rear Spider Gear Set by Yukon Gear & Axle®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium...Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain$283.89 - $487.89
- Yukon Gear & Axle®Rear Differential Master Overhaul KitMercury Comet 1966, Rear Differential Master Overhaul Kit by Yukon Gear & Axle®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium differential...Most complete kits on the marketComplete overhaul package to rebuild differential$281.89 - $559.89
- Timken®Rear Differential BearingMercury Comet 1966, Rear Differential Bearing by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller bearings, and all feature premium design,...Designed to effectively reduce frictionUltimate load handling capability$14.08 - $26.63
- Timken®Rear Differential Bearing and Seal KitMercury Comet 1966, Rear Differential Bearing and Seal Kit by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller bearings, and all feature...Designed to effectively reduce frictionUltimate load handling capability$108.45 - $155.92
- Timken®Rear Differential Pinion BearingMercury Comet 1966, Rear Differential Pinion Bearing by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller bearings, and all feature premium...Designed to effectively reduce frictionUltimate load handling capability$12.01 - $39.94
- SKF®Rear Differential Pinion SealMercury Comet 1966, Rear Differential Pinion Seal by SKF®. Designed utilizing the latest technology, this product by SKF features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...Superior protection against dirt and waterManufactured with high-quality tested design and materials for correct fit$10.67 - $11.00
- DT Components®Rear Master Master Differential Bearing KitMercury Comet with 9.0" Ring Gear, 28 Spline Shaft 1966, Rear Master Master Differential Bearing Kit by DT Components®. Designed utilizing the latest technology, this product by DT Components features premium quality and will perform...Direct-fit OE-quality replacement for your factory partHelps restore the proper functionality of your vehicle$165.83
- Timken®Rear Outer Differential Pinion RaceMercury Comet with 7.5" Ring Gear / 7.75" Ring Gear / 8.0" Ring Gear, WCY Series Axle / WEZ Series Axle 1966, Rear Outer Differential Pinion Race by Timken®. Precision manufactured using premium materials and made by the company that is...OE quality fit, performance, and reliabilityCost-effective friction management solution$6.36
- ACDelco®Gold™ Differential Pinion RaceMercury Comet 1966, Gold™ Differential Pinion Race by ACDelco®. Designed utilizing the latest technology, this product features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$7.12 - $7.55
- SKF®Rear Differential BearingMercury Comet 1966, Rear Differential Bearing by SKF®. Do you feel shaking or shuddering when you engage the clutch; hear grinding noise when you shift gears? Does your engine race without an increase in road speed? You're in need of...OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price$13.77 - $15.58
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