1981 Pontiac Firebird Driveline & Axle Parts
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Dorman®OE Solutions™ Axle ShaftPontiac Firebird Rear Drum Brakes with 8.5" Ring Gear 1981, OE Solutions™ Axle Shaft by Dorman®. All Axle Shafts are constructed of high-quality steel for long-lasting durability. Keep your axle assembly in tip-top shape by swapping...Quality tested to ensure trouble free installation, performance, and durabilityDirect replacement for a proper fit every time$186.18 - Richmond®Excel™ Rear Ring and Pinion Gear SetPontiac Firebird with 10 Bolt 1981, Excel™ Rear 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$218.99 - $269.99
- Motive Gear®Ring and Pinion Gear SetPontiac Firebird 1981, 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 DifferentialPontiac Firebird 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
- Timken®Wheel Bearing and Race SetPontiac Firebird 1981, Wheel Bearing and Race Set 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$9.73 - $34.97
- Yukon Gear & Axle®Differential Cover KitPontiac Firebird 1981, Differential Cover Kit by Yukon Gear & Axle®. Yukon provides a full line of OEM style and chrome differential covers. Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job...$54.89 - $256.89
- Raybestos®Professional Grade™ Front Wheel Bearing and Hub AssemblyPontiac Firebird 1981, Professional Grade™ Front Wheel Bearing and Hub Assembly by Raybestos®. The latest generation of hub units has a suspension mounting flange machined onto the outer shell with integral raceways, and a brake/wheel...Lifetime lubricationAngular bearing contact for axial stability$75.77
- Raybestos®Professional Grade™ Front Wheel Bearing and Hub AssemblyPontiac Firebird 1981, Professional Grade™ Front Wheel Bearing and Hub Assembly by Raybestos®. The latest generation of hub units has a suspension mounting flange machined onto the outer shell with integral raceways, and a brake/wheel...Lifetime lubricationAngular bearing contact for axial stability$75.77
- Dorman®OE Solutions™ Rear Differential Ring and PinionPontiac Firebird 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
- Spicer®Rear Mini SpoolPontiac Firebird Trans Am 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...Expertly crafted from premium materialsDesigned to match rigorous quality standards$126.61 - $155.68
- Richmond®Mini SpoolPontiac Firebird 3.8L / 4.3L / 4.9L / 5.0L with 28 Spline, Open Differential, 10 Bolt, GM 8.5" Series Axle 1981, Mini Spool by Richmond®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking...Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability$106.41
- SKF®Rear Wheel Hub Repair KitPontiac Firebird 1981, Rear Wheel Hub Repair Kit by SKF®. With Sleeve. 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$30.01
- Yukon Gear & Axle®Rear Axle Shaft KitPontiac Firebird with GM 10.5" Series Axle 1981, Rear Axle Shaft Kit by Yukon Gear & Axle®. Yukon Gear and Axle offers an extensive line of general replacement and high performance axles for passenger car, truck and SUV applications....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$273.89 - $378.89
- Richmond®Excel™ Front Inner Axle Shaft AssemblyPontiac Firebird with Dana 44 Series Front Axle 1981, Excel™ Front Inner Axle Shaft Assembly by Richmond®. Manufactured from the highest-quality steel, rear axle shafts are proven to meet or exceed original equipment manufacturer’s...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$139.15 - $169.24
- Motive Gear®Axle ShaftPontiac Firebird with Aftermarket ID 1981, Axle Shaft by Motive Gear®. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of company products undergo rigid quality...Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best$122.21 - $130.89
- Yukon Gear & Axle®Dura Grip™ DifferentialPontiac Firebird 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...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®Grizzly Locker™ Front and Rear DifferentialPontiac Firebird 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....Available for many popular off-road & performance applicationsPatent pending design reduces common failures$1,031.89
- Yukon Gear & Axle®High Performance Ring and Pinion Gear SetPontiac Firebird 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
- Yukon Gear & Axle®Mini SpoolPontiac Firebird 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 SpoolPontiac Firebird 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$88.94
- Richmond®Street Gear Ring and Pinion Gear SetPontiac Firebird with 10 Bolt 1981, 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...Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability$305.99 - $529.99
- AllStar Performance®Mini SpoolPontiac Firebird 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$93.99
- AllStar Performance®Ring and Pinion Gear SetPontiac Firebird with 10 Bolt, GM 8.5" Series Axle 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,...Precise manufacturing and high-grade materialsExceptional performance at a competitive price$169.99
- Eaton®Detroit Truetrac™ Rear DifferentialPontiac Firebird 3.8L / 4.3L / 4.9L / 5.0L with 2.73 and Up Gear Ratio, 10 Bolt, 1.20" Axle Shaft Diameter, GM 8.5" Series Axle 1981, Detroit Truetrac™ Rear Differential by Eaton®. The Detroit Truetrac is a helical-gear style...Helical-style pinion gearsLimited-slip operation$634.99
- Motive Gear®A-Line Ring and Pinion Gear SetPontiac Firebird with 10 Bolt 1981, 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 for easy setup,...Quiet operationComputer controlled heat treatment$190.50 - $226.80
- Motive Gear®Performance Ring and Pinion Gear SetPontiac Firebird with 10 Bolt 1981, Performance 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...Central contact patternCNC start to finish$291.99 - $515.99
- Motive Gear®Performance Ring and Pinion Gear SetPontiac Firebird with 10 Bolt 1981, Performance 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...Central contact patternCNC start to finish$291.99 - $515.99
- Motive Gear®SpoolPontiac Firebird with 10 Bolt, GM 8.5" Series Axle 1981, Spool by Motive Gear®. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of company products undergo...Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best$182.36 - $187.51
- Revolution Gear & Axle®Dry 2 Cut Ring and Pinion Gear SetPontiac Firebird 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...Made to promote and inspire your off-road adventuresTested in demanding off-road conditions for maximum durability$210.99
- Yukon Gear & Axle®Rear Heavy Duty Differential CoverPontiac Firebird Trans Am 1981, Rear Heavy Duty Differential Cover by Yukon Gear & Axle®. Yukon Gear and Axle offers an extensive line of general replacement and high performance products for passenger car, truck and SUV applications....$355.89 - $394.89
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