1981 Buick Regal Differentials
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Richmond®Excel™ Rear Ring and Pinion Gear SetBuick Regal with 10 Bolt, GM 7.5" Series Axle / GM 7.625" Series Axle 1981, Excel™ Rear Ring and Pinion Gear Set by Richmond®. Designed utilizing the latest technology, this product by Richmond features premium quality and will...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$218.99 - $256.99 - Motive Gear®Rear Ring and Pinion Gear SetBuick Regal 1981, 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 easy setup, superior strength,...Quiet operationComputer controlled heat treatment$195.87 - $434.99
- Auburn Gear®Grip-N-Loc™ Rear DifferentialBuick Regal 1981, Grip-N-Loc™ Rear Differential by Auburn Gear®. Auburn Gear’s most advanced limited slip differential, the Grip-N-Loc™, builds upon exclusive technologies found in the previous limited slip line, but is...Upgrades vehicles for safe transfer of increased power/torque across the axleCase material is up to 50% stronger than OE cases$611.95 - $655.37
- Dorman®OE Solutions™ Rear Differential Ring and PinionBuick Regal 1981, OE Solutions™ Rear Differential Ring and Pinion by Dorman®. The gears of Dorman’s Differential Ring and Pinion are engineered to effectively transfer torque from the driveshaft to the axles. It's robust steel...Replacement eliminates driveline grinding and whining soundsDirect replacement for a proper fit$95.09 - $591.45
- Yukon Gear & Axle®Dura Grip™ DifferentialBuick Regal 1981, Dura Grip™ Differential by Yukon Gear & Axle®. The Yukon Dura Grip an example of the popular clutch plate limited slips that appeared as OE equipment. Steel clutch plates, half of which are covered with a friction...Provides aggressive yet smooth traction to give you the confidence and performance you needFully rebuildable 4 spring design with composite clutches$682.89 - $936.89
- Yukon Gear & Axle®High Performance Ring and Pinion Gear SetBuick Regal 1981, 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$359.89 - $599.89
- Richmond®Rear Mini SpoolBuick Regal with GM 7.5" Series Axle 1981, Rear Mini Spool by Richmond®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium differential component...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$88.94 - $106.41
- Spicer®Rear Mini SpoolBuick Regal with GM 8.5" Series Axle 1981, 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 off-road.Expertly crafted from premium materialsDesigned to match rigorous quality standards$126.61 - $155.68
- Yukon Gear & Axle®Grizzly Locker™ Front and Rear DifferentialBuick Regal with GM 8.5" Series Axle 1981, Grizzly Locker™ Front and 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...Available for many popular off-road & performance applicationsPatent pending design reduces common failures$1,031.89
- Yukon Gear & Axle®Mini SpoolBuick Regal 1981, 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% power to both tires at all...Provides 100% traction to both wheels at all timesInstalls into standard open carrier case$164.89 - $272.89
- Richmond®Excel™ Front Mini SpoolBuick Regal with GM 8.5" Series Axle 1981, Excel™ Front Mini Spool by Richmond®. Designed utilizing the latest technology, this product by Richmond features premium quality and will perform better than advertised. Perfect for your...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$88.94
- Richmond®Rear Street Gear Ring and Pinion Gear SetBuick Regal with 10 Bolt, GM 7.5" Series Axle 1981, 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,...Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability$305.99 - $489.99
- AllStar Performance®Mini SpoolBuick Regal with GM 7.5" Series Axle 1981, Mini Spool by AllStar Performance®. Drive with confidence and have the edge with AllStar Performance. With such a ground-breaking design and elaborate development, you’ll never run into a...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$93.99
- AllStar Performance®Ring and Pinion Gear SetBuick Regal with 10 Bolt 1981, Ring and Pinion Gear Set by AllStar Performance®. Drive with confidence and have the edge with AllStar Performance. With such a ground-breaking design and elaborate development, you’ll never run into a...Precise manufacturing and high-grade materialsExceptional performance at a competitive price$169.99
- Eaton®Detroit Truetrac™ Rear DifferentialBuick Regal 3.8L / 4.3L / 5.7L with 10 Bolt 1981, Detroit Truetrac™ Rear Differential by Eaton®. The Detroit Truetrac is a helical-gear style performance differential that maximizes wheel traction and enhances driving and handling...Helical-style pinion gearsLimited-slip operation$587.99 - $634.99
- Eaton®Posi™ Rear DifferentialBuick Regal 3.8L / 4.3L / 5.7L with 10 Bolt 1981, Posi™ Rear Differential by Eaton®. The Eaton Posi limited-slip differential prevents wheel slip before it can get started. To do that, carbon disc clutch packs, preloaded by a central...Superior rebuildable designRace-bred carbon friction discs$605.99 - $689.99
- Motive Gear®Performance Rear Ring and Pinion Gear SetBuick Regal with 10 Bolt, GM 7.5" Series Axle 1981, 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...Central contact patternCNC start to finish$291.99 - $515.99
- Motive Gear®Performance Rear Ring and Pinion Gear SetBuick Regal with 10 Bolt with GM 7.5" Series Axle 1981, 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...Central contact patternCNC start to finish$291.99 - $515.99
- Motive Gear®Rear Mini SpoolBuick Regal with Open Differential, 10 Bolt, GM 7.5" Series Axle 1981, Rear Mini Spool by Motive Gear®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this...Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best$83.40 - $97.42
- Revolution Gear & Axle®Dry 2 Cut Ring and Pinion Gear SetBuick Regal 1981, Dry 2 Cut Ring and Pinion Gear Set by Revolution Gear & Axle®. Revolution Gear GM 8.5 Inch (1970 and Up) 10 Bolt Ring and Pinion Gear sets utilize the same gear cutting methods as the Original Equipment manufacturers,...Made to promote and inspire your off-road adventuresTested in demanding off-road conditions for maximum durability$210.99
- SKF®Rear Differential Pinion SealBuick Regal with 7.5" Ring Gear, 3.0" Outer Diameter Rear Bearing / 3.125" Outer Diameter Rear Bearing 1981, Rear Differential Pinion Seal by SKF®. Designed utilizing the latest technology, this product by SKF features premium quality...Superior protection against dirt and waterManufactured with high-quality tested design and materials for correct fit$14.11
- Yukon Gear & Axle®Differential Bearing Installation KitBuick Regal 1981, Differential Bearing Installation Kit by Yukon Gear & Axle®. With Timken Bearings and Races. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with...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$199.89 - $394.89
- Timken®Rear Differential Pinion SealBuick Regal with 7.5" Ring Gear / with 7.63" Ring Gear 1981, 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...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$13.62
- Timken®Rear Differential RaceBuick Regal with 7.5" Ring Gear / with 8.5" Ring Gear 1981, 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...OE quality fit, performance, and reliabilityCost-effective friction management solution$6.82
- SKF®Rear Differential Rebuild KitBuick Regal with 8.5" Ring Gear 1981, 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$115.92 - $143.34
- SKF®Rear Outer Differential Pinion BearingBuick Regal with 7.5" Ring Gear, 3.0" Outer Diameter Rear Bearing / 3.125" Outer Diameter Rear Bearing 1981, Rear Outer Differential Pinion Bearing by SKF®. When it comes to a top-notch replacement for your worn out factory part, this...Excellent replacement for your worn out or faulty partDesigned to restore original performance and reliability$11.68
- National®Rear Outer Differential Pinion SealBuick Regal with 7.5" Ring Gear, GMC Series Axle 1981, Rear Outer 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...National oil seals are recognized worldwide for their quality and reliable performance for every type of repair.Design Type: Spring Loaded; Multi-Lip$13.71
- Dorman®OE Solutions™ Rear Differential Bearing KitBuick Regal with 8.50" Ring Gear 1981, OE Solutions™ Rear Differential Bearing Kit by Dorman®. Do you hear a humming or growling sound as you drive, or a clicking or clunking noise when cornering? If so, your vehicle may need wheel...OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price$161.60
- Dorman®OE Solutions™ Rear Ring and Pinion Bearing Installation Kit with Marking CompoundBuick Regal with 8.5" Ring Gear 1981, OE Solutions™ Rear Ring and Pinion Bearing Installation Kit With Marking Compound by Dorman®. Dorman’s Differential Bearing Kit allows you to keep all the necessary components for installation...Replacement eliminates driveline grinding and whining soundsRobust steel construction ensures durability for years of service$144.67
- Timken®Rear Differential BearingBuick Regal with 7.5" Ring Gear / with 8.5" Ring Gear 1981, Rear Differential Bearing by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller...Designed to effectively reduce frictionUltimate load handling capability$13.95
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