1979 Pontiac Firebird Differentials

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    • (0 reviews)
      # mpn4517168131
      Pontiac Firebird 4.9L / 5.7L / 6.6L with 28 Spline with GM 8.5" Series Axle with 2.73 and Up Gear Ratio with 10 Bolt 1979, ECTED Max™ Rear Limited Slip Differential by Auburn Gear®. with Selectable Full Locker. Location: Rear. The...
      Expertly crafted from superior materialsProvides exceptional reliability
      $740.21
    • (0 reviews)
      # 503438553
      Pontiac Firebird with 10 Bolt 1979, 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...
      Quiet operationComputer controlled heat treatment
      $199.86 - $251.95
    • (0 reviews)
      # 503618468
      Pontiac Firebird with Open Differential 1979, No-Slip Traction System by Powertrax®. For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It...
      Extreme Traction PerformanceEnables a 2 Wheel Drive to outperform a 4 Wheel Drive in poor traction conditions
      $418.28 - $443.21
    • (0 reviews)
      # 97197996
      Pontiac Firebird 1979, Ring and Pinion Gear Set by Alloy USA®. Mounting larger diameter wheels and tires requires a gear ratio change to maintain the same performance. But even if you're not getting new skins, changing to a lower gear...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $260.13 - $389.21
    • (0 reviews)
      # 503402160
      Pontiac Firebird with 28 Spline 1979, Open Grip LS Traction System by Powertrax®. The Powertrax Grip LS, is a clutch-type differential in a forged steel case. This differential uses a set of carbon clutch discs to provide traction as...
      Comes Fully AssembledCarbon Fiber and Steel Friction Plate Technology
      $443.35 - $457.67
    • (0 reviews)
      # mpn4517166816
      Pontiac Firebird Trans Am with 28 Spline with GM 8.5" Series Axle with 2.73 and Up Gear Ratio 1979, Rear Grizzly Locker by Yukon Gear & Axle®. Location: Rear. The Yukon Grizzly Locker is the ultimate in mechanical locking differentials...
      Available for many popular off-road & performance applicationsPatent pending design reduces common failures
      $748.92
    • (0 reviews)
      # mpn4517168680
      Pontiac Firebird with 1.20" Axle Shaft Diameter with GM 8.5" Series Axle with 2.73 and Up Gear Ratio with 10 Bolt with Manual Locking Hubs 1979, Posi™ Rear Differential by Eaton®. Location: Rear. The Eaton Posi limited-slip...
      Superior rebuildable designRace-bred carbon friction discs
      $499.99
    • (0 reviews)
      # 503321240
      Pontiac Firebird Trans Am 1979, Rear Dura Grip Positraction by Yukon Gear & Axle®. Location: Rear. The Yukon Dura Grip an example of the popular clutch plate limited slips that appeared as OE equipment. Steel clutch plates, half of...
      Provides aggressive yet smooth traction to give you the confidence and performance you needFully rebuildable 4 spring design with composite clutches
      $520.37 - $521.31
    • (0 reviews)
      # 68642670
      Pontiac Firebird Trans Am with 28 Spline 1979, Rear Standard Open Carrier Case by Yukon Gear & Axle®. without Spider Gears. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for...
      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
      $143.67 - $254.96
    • (0 reviews)
      # 68642801
      Pontiac Firebird Trans Am 1979, Rear Differential Master Overhaul Kit by Yukon Gear & Axle®. Location: Rear. Yukon Master Overhaul kits give you all the high quality parts you need to start and finish every differential job. Yukon...
      Most complete kits on the marketComplete overhaul package to rebuild differential
      $181.49 - $217.76
    • (0 reviews)
      # mpn4517172801
      Pontiac Firebird Trans Am with 26 Spline / with 28 Spline with GM 7.5" Series Axle with 3.23 and Up Gear Ratio 1979, Rear Dura Grip Carrier Case by Yukon Gear & Axle®. without Spider Gears. Location: Rear. Dominate the track or hit the...
      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
      $254.96
    • (0 reviews)
      # 68642672
      Pontiac Firebird Trans Am 1979, Rear High Performance Ring and Pinion Gear Set by Yukon Gear & Axle®. Location: Rear. Yukon Ring and Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of...
      Smooth finishEasy Set-Up
      $262.49 - $503.50
    • (0 reviews)
      # mpn4517168181
      Pontiac Firebird with GM 8.5" Series Axle with 2.73 and Up Gear Ratio with 10 Bolt 1979, Differential Carrier by Motive Gear®. without Internal Kit. All Motive Gear products are engineered for their specific application and manufactured...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $77.55
    • (1 review)
      # 503484084
      Pontiac Firebird with 10 Bolt 1979, 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, we never...
      Central contact patternCNC start to finish
      $210.38 - $265.28
    • (0 reviews)
      # mpn4517172536
      Pontiac Firebird with GM 7.5" Series Axle with 3.23 and Up Gear Ratio with 10 Bolt 1979, Rear Pro Gear Ring and Pinion Gear Set by Motive Gear®. Location: Rear. Motive Gear Pro Gear ring and pinions are perfect for dedicated racing or...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $448.50
    • (0 reviews)
      # 1028982008
      Pontiac Firebird 4.9L / 5.7L / 6.6L with 10 Bolt 1979, HP™ Rear Limited Slip Differential by Auburn Gear®. Location: Rear. High Performance. Auburn Gear’s flagship limited-slip differential gives you smooth torque-sensing operation...
      Expertly crafted from superior materialsProvides exceptional reliability
      $416.16
    • (0 reviews)
      # 1029123600
      Pontiac Firebird 4.9L / 5.7L / 6.6L with 10 Bolt 1979, Pro™ Rear Limited Slip Differential by Auburn Gear®. Location: Rear. Turns your torque up another notch, offering an even higher bias ratio and faster sensing reaction than HP for...
      Expertly crafted from superior materialsProvides exceptional reliability
      $474.91 - $518.98
    • (0 reviews)
      # mpn4517168391
      Pontiac Firebird with 1.20" Axle Shaft Diameter with GM 8.5" Series Axle with 2.73 and Up Gear Ratio with 10 Bolt 1979, Detroit Truetrac™ Rear Differential by Eaton®. Location: Rear. The Detroit Truetrac is a helical-gear style...
      Helical-style pinion gearsLimited-slip operation
      $512.73
    • (0 reviews)
      # 503543299
      Pontiac Firebird with Open Differential 1979, Lock Right Locker by Powertrax®. Powertrax Lock-Right performance lockers’ straight-line performance is equal to a solid spool axle, yet they automatically unlock during turns. When...
      Brute Force Devices For Rugged ApplicationsReplacement Of Differential Case Not Required
      $336.26 - $406.60
    • (0 reviews)
      # 503674040
      Pontiac Firebird with 10 Bolt 1979, 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
      $221.45 - $279.10
    • (0 reviews)
      # mpn4515290647
      Pontiac Firebird With GM 7.5" Series Axle With 26 Shaft Spline 1979, 26-Spline Mini Spool by AllStar Performance®. Mini spool assemblies replace the OE side and spider gears in open style carriers to provide equal tractionto both axles....
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $96.99
    • (0 reviews)
      # 990434068
      Pontiac Firebird With GM 8.5" (10 Bolt) Series Axle 1979, Ring and Pinion Gear Set by AllStar Performance®. 30-spline pinion, 8.50" dia. ring gear, 1.625" dia. pinion stem. Quality differential components are suitable for race, street...
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $149.99
    • (0 reviews)
      # 942618534
      Pontiac Firebird Esprit / Formula / Trans Am Standard Rotation 1979, Ring and Pinion Gear Set by Revolution Gear & Axle®. 10 Bolt. All Revolution Gear and Axle Gear Sets are made from top quality 8620 Steel and are precision heat...
      2 Year Limited WarrantyMade to promote and inspire your off-road adventures
      $175.00 - $195.00
    • (0 reviews)
      # 87437426
      Pontiac Firebird Trans Am 1979, Rear Differential Bearing Installation Kit by Yukon Gear & Axle®. with Timken Bearings and Races. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for...
      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
      $140.92 - $169.45
    • (0 reviews)
      # 503444020
      Pontiac Firebird Trans Am 1979, Rear Differential Carrier Bearing Kit by Yukon Gear & Axle®. Location: Rear. Includes: Carrier bearings, races and "super" carrier shim kit. Yukon Carrier installation kits are great, low cost kits for...
      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
      $67.28 - $94.50
    • (0 reviews)
      # 503586021
      Pontiac Firebird Trans Am 1979, Rear Differential Mini Installation Kit by Yukon Gear & Axle®. Location: Rear. Yukon Mini installation kits are a low cost solution for gear changes in newer vehicles where the bearings can be reused and...
      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
      $36.24 - $74.15
    • (0 reviews)
      # 503696891
      Pontiac Firebird Trans Am 1979, Rear Differential Pinion Installation Kit by Yukon Gear & Axle®. Location: Rear. Yukon Pinion installation kits are a terrific solution for gear installation on lower mileage vehicles where the carrier...
      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
      $107.68 - $125.62
    • (0 reviews)
      # 503503361
      Pontiac Firebird Trans Am 1979, Rear Mini Spool by Yukon Gear & Axle®. Location: Rear. 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...
      Provides 100% traction to both wheels at all timesInstalls into standard open carrier case
      $109.39 - $184.32
    • (0 reviews)
      # 87437407
      Pontiac Firebird Trans Am 1979, Rear Spider Gear Set by Yukon Gear & Axle®. Location: Rear. 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
      $101.94 - $225.57
    • (0 reviews)
      # 1028943045
      Pontiac Firebird Trans Am with 28 Spline with GM 8.5" Series Axle 1979, Rear Spool by Yukon Gear & Axle®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and...
      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
      $264.78 - $282.88
    • (0 reviews)
      # 503650997
      Pontiac Firebird with 10 Bolt 1979, Differential Bearing Kit 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $72.92 - $103.58
    • (0 reviews)
      # mpn4517166232
      Pontiac Firebird with 28 Spline with GM 8.5" Series Axle with 10 Bolt 1979, Differential Carrier Gear Kit by Motive Gear®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $89.77
    • (0 reviews)
      # 126494122
      Pontiac Firebird 1979, Differential Gear Installation Kit 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $45.48 - $59.93
    • (0 reviews)
      # 503611481
      Pontiac Firebird with 10 Bolt 1979, Differential Master Bearing Kit 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
      $90.49 - $108.26
    • (0 reviews)
      # 503318997
      Pontiac Firebird with 10 Bolt 1979, Differential Super Bearing Kit 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 premium differential...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $113.17 - $125.76
    • (0 reviews)
      # mpn4517166000
      Pontiac Firebird with 28 Spline with GM 8.5" Series Axle with 10 Bolt with Open Differential 1979, Mini Spool by Motive Gear®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $81.49
    • (0 reviews)
      # 503636496
      Pontiac Firebird with 8.5" Series Axle with 10 Bolt 1979, 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
      $148.35 - $149.79
    • (0 reviews)
      # mpn4517168652
      Pontiac Firebird with GM 8.5" Series Axle with 10 Bolt 1979, Differential Gear Installation Kit by Richmond®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $27.10
    • (0 reviews)
      # 503645418
      Pontiac Firebird 1979, Differential Mega Bearing Kit 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 that...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $157.24
    • (0 reviews)
      # 503606378
      Pontiac Firebird with GM 8.5" Series Axle with 10 Bolt 1979, Differential Spool Bearing Kit by Richmond®. Richmond Gear Differential Installation Kits are a must have when overhauling an axle or replacing a ring & pinion set....
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $34.03 - $50.31
    • (0 reviews)
      # mpn4517166584
      Pontiac Firebird with 28 Spline with GM 8.5" Series Axle with 10 Bolt with Open Differential 1979, Mini Spool by Richmond®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $100.35
    • (0 reviews)
      # 503604172
      Pontiac Firebird with GM 8.5" Series Axle with 10 Bolt with C-Clip Eliminator Kit with 45 Degree Pressure Angle Axles 1979, Rear Spool by Richmond®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $195.90 - $202.35
    • (0 reviews)
      # mpn4517170293
      Pontiac Firebird with GM 8.5" Series Axle 1979, Rear Differential Master Overhaul Kit by Alloy USA®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and...
      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
      $179.48
    • (0 reviews)
      # mpn4517173047
      Pontiac Firebird with GM 8.5" Series Axle / with GM 8.6" Series Axle with 10 Bolt 1979, Spider Gear Set by Alloy USA®. Dominate the track or hit the trails with condidence by fine tuning your vehicle for neck-breaking speed and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $176.58
    • (0 reviews)
      # mpn4515293218
      Pontiac Firebird With Rear GM 8.5" (10 Bolt) Series Axle 1979, Ring and Pinion Installation Bearing Kit by AllStar Performance®. Kit contain all the hard-to-find individual parts for a quick, trouble-free installation. Kits Include:...
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $97.99
    • (0 reviews)
      # mpn4515293621
      Pontiac Firebird With GM 8.5" (10 Bolt) Series Axle With 30 Shaft Spline 1979, Ring and Pinion Installation Shim Kit by AllStar Performance®. Kits contain all the hard-to-find individual parts for a quick, trouble-free installation....
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $43.99
    • (0 reviews)
      # mpn4510235918
      Pontiac Firebird Esprit / Formula / Trans Am GM 8.5" Axle 1979, Open Internal Kit by Revolution Gear & Axle®. 28 Spline. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a...
      1 Year Limited WarrantyMade to promote and inspire your off-road adventures
      $116.99
    • (0 reviews)
      # mpn4510235871
      Pontiac Firebird Esprit / Formula / Trans Am GM 8.5" Axle 1979, Timken™ Rear Master Overhaul Kit by Revolution Gear & Axle®. Rear. Revolution Gear and Axle Master Overhaul Kit comes with all the necessary parts to re-Bearing your...
      Made to promote and inspire your off-road adventuresTested in demanding off-road conditions for maximum durability
      $104.49
    • (0 reviews)
      # 503478401
      Pontiac Firebird Trans Am 1979, Rear Differential Bearing Race Driver by Yukon Gear & Axle®. Location: Rear. 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
      $116.74 - $126.07
    • (0 reviews)
      # 503434402
      Pontiac Firebird Trans Am 1979, Rear Differential Bearing Race Punch by Yukon Gear & Axle®. Location: Rear. 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
      $59.80
    • (0 reviews)
      # 503604335
      Pontiac Firebird Trans Am 1979, Rear Differential Carrier Bearing Puller by Yukon Gear & Axle®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance...
      Works with an impact gun to safely and easliy remove carrrier bearingsEnables you to keep your engine in the powerband for more giddy-up and high speed
      $456.92 - $545.85
    • (0 reviews)
      # 68642654
      Pontiac Firebird Trans Am 1979, Rear Differential Clutch Set by Yukon Gear & Axle®. Location: Rear. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. Designed utilizing the...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $136.03 - $310.77
    • (0 reviews)
      # 503604197
      Pontiac Firebird Trans Am with Posi Differential 1979, Rear Differential Cross Pin Bolt by Yukon Gear & Axle®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and...
      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
      $3.70
    • (0 reviews)
      # 503618276
      Pontiac Firebird Trans Am 1979, Rear Differential Cross Pin Bolt Extractor Kit by Yukon Gear & Axle®. Location: Rear. Designed utilizing the latest technology, this product by Yukon Gear & Axle features premium quality and will perform...
      Easily removes a broken cross pin bolt from a carrier caseDesigned to deliver trouble-free, consistent performance
      $48.93
    • (1 review)
      # 68642657
      Pontiac Firebird Trans Am 1979, Rear Differential Cross Pin Shaft by Yukon Gear & Axle®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this...
      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
      $22.88 - $44.92
    • (0 reviews)
      # 68642726
      Pontiac Firebird Trans Am 1979, Rear Differential Crush Sleeve by Yukon Gear & Axle®. Location: Rear. Designed utilizing the latest technology, this product by Yukon Gear & Axle features premium quality and will perform better than...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $3.68 - $4.47
    • (0 reviews)
      # 503493102
      Pontiac Firebird Trans Am 1979, Rear Differential Crush Sleeve Eliminator Kit by Yukon Gear & Axle®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and...
      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
      $31.49
    • (0 reviews)
      # 87437403
      Pontiac Firebird Trans Am with Standard Open Differential 1979, Rear Differential Pinion Gear Thrust Washer by Yukon Gear & Axle®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for...
      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
      $4.76 - $6.19
    • (0 reviews)
      # 503698902
      Pontiac Firebird 1979, Rear Differential Pinion Mighty Seal by Yukon Gear & Axle®. Location: Rear. Yukon Mighty Seals use the latest designs and manufacturing technologies to produce a precision fit, a tight seal and long life. Yukon...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $8.48 - $9.33
    • (0 reviews)
      # 503613408
      Pontiac Firebird Trans Am 1979, Rear Differential Pinion Nut by Yukon Gear & Axle®. Location: Rear. Yukon heavy duty pinion supports feature upgraded materials and a larger design than OEM to provide heavy duty strength in racing and...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $7.22




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