1975 Pontiac Firebird Differentials

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    • (0 reviews)
      # 1029153532
      Pontiac Firebird with 28 Spline with GM 8.5" Series Axle with 2.73 and Up Gear Ratio with 10 Bolt 1975, ECTED Max™ Rear Limited Slip Differential by Auburn Gear®. With Selectable Full Locker. Location: Rear. The ECTED Max is a...
      Expertly crafted from superior materialsProvides exceptional reliability
      $740.21
    • (0 reviews)
      # 503605235
      Pontiac Firebird with GM 8.5" Series Axle / with GM 8.625" Series Axle with 2.73 and Up Gear Ratio with 10 Bolt 1975, Ring and Pinion Gear Set by Motive Gear®. Motive Gear stock performance ring and pinions are excellent replacements...
      Quiet operationComputer controlled heat treatment
      $199.86 - $251.95
    • (0 reviews)
      # 503509334
      Pontiac Firebird with GM 8.5" Series Axle with Open Differential 1975, 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...
      Extreme Traction PerformanceEnables a 2 Wheel Drive to outperform a 4 Wheel Drive in poor traction conditions
      $443.21
    • (0 reviews)
      # 97197996
      Pontiac Firebird 1975, 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)
      # mpn4517168259
      Pontiac Firebird with 28 Spline with GM 8.5" Series Axle with 2.73 and Up Gear Ratio 1975, 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...
      Comes Fully AssembledCarbon Fiber and Steel Friction Plate Technology
      $443.35
    • (0 reviews)
      # mpn4517166816
      Pontiac Firebird Trans Am with 28 Spline with GM 8.5" Series Axle with 2.73 and Up Gear Ratio 1975, 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)
      # mpn4517168100
      Pontiac Firebird with 1.20" Axle Shaft Diameter with GM 8.5" Series Axle with 2.73 to 5.13 Gear Ratio with 10 Bolt 1975, Detroit Locker™ Rear Differential by Eaton®. Location: Rear. The Detroit Locker is a 100%-automatic locking...
      100% automatic locking - no driver action neededProvides maximum amount of traction to both wheel ends
      $762.26
    • (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 1975, Posi™ Rear Differential by Eaton®. Location: Rear. The Eaton Posi limited-slip...
      Superior rebuildable designRace-bred carbon friction discs
      $478.79
    • (0 reviews)
      # 1029315602
      Pontiac Firebird Trans Am with 28 Spline with GM 8.5" Series Axle 1975, 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...
      Provides aggressive yet smooth traction to give you the confidence and performance you needFully rebuildable 4 spring design with composite clutches
      $520.37
    • (0 reviews)
      # 68642670
      Pontiac Firebird Trans Am with 28 Spline 1975, 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)
      # 503417042
      Pontiac Firebird Trans Am with 28 Spline 1975, 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...
      Most complete kits on the marketComplete overhaul package to rebuild differential
      $181.49 - $217.76
    • (0 reviews)
      # 503667984
      Pontiac Firebird Trans Am with 28 Spline with GM 8.5" Series Axle 1975, 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...
      Smooth finishEasy Set-Up
      $298.94 - $503.50
    • (0 reviews)
      # mpn4517168181
      Pontiac Firebird with GM 8.5" Series Axle with 2.73 and Up Gear Ratio with 10 Bolt 1975, 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)
      # 503291045
      Pontiac Firebird with GM 8.5" Series Axle / with GM 8.625" Series Axle with 2.73 and Up Gear Ratio with 10 Bolt 1975, Performance Ring and Pinion Gear Set by Motive Gear®. Motive Gear Performance ring and pinions are perfect for...
      Central contact patternCNC start to finish
      $210.38 - $265.28
    • (0 reviews)
      # 1029054579
      Pontiac Firebird with 28 Spline with GM 8.5" Series Axle with 2.73 and Up Gear Ratio with 10 Bolt 1975, HP™ Rear Limited Slip Differential by Auburn Gear®. Location: Rear. High Performance. Auburn Gear’s flagship limited-slip...
      Expertly crafted from superior materialsProvides exceptional reliability
      $416.16
    • (0 reviews)
      # 1029060688
      Pontiac Firebird with 28 Spline with GM 8.5" Series Axle with 2.73 and Up Gear Ratio with 10 Bolt 1975, Pro™ Rear Limited Slip Differential by Auburn Gear®. Location: Rear. Turns your torque up another notch, offering an even higher...
      Expertly crafted from superior materialsProvides exceptional reliability
      $518.98
    • (0 reviews)
      # 503352099
      Pontiac Firebird with GM 8.5" Series Axle with Open Differential 1975, Lock Right Locker by Powertrax®. Powertrax Lock-Right performance lockers’ straight-line performance is equal to a solid spool axle, yet they automatically unlock...
      Brute Force Devices For Rugged ApplicationsReplacement Of Differential Case Not Required
      $336.26
    • (0 reviews)
      # 942618534
      Pontiac Firebird Esprit / Formula / Trans Am 1975, Ring and Pinion Gear Set by Revolution Gear & Axle®.
      2 Year Limited WarrantyMade to promote and inspire your off-road adventures
      $175.00 - $195.00
    • (0 reviews)
      # mpn4517169459
      Pontiac Firebird with GM 8.5" Series Axle with 2.73 Ratio and Numerically Higher with 10 Bolt 1975, Excel™ Differential Carrier by Richmond®. Designed utilizing the latest technology, this product by Richmond features premium quality...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $74.55
    • (0 reviews)
      # 1028962978
      Pontiac Firebird with GM 8.5" Series Axle/ with 8.625" Series Axle with 10 Bolt 1975, Excel™ Rear Ring and Pinion Gear Set by Richmond®. Location: Rear. Designed utilizing the latest technology, this product by Richmond features...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $164.95
    • (0 reviews)
      # 503456164
      Pontiac Firebird with GM 8.5" Series Axle / with GM 8.625" Series Axle with 10 Bolt 1975, Street Gear Ring and Pinion Gear Set by Richmond®. Richmond Gear ring and pinions are perfect for any vehicle where performance and durability...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $221.45 - $277.95
    • (0 reviews)
      # 1145740361
      Pontiac Firebird with Front GM 8.5" (10 Bolt) Series Axle / with Rear GM 8.5" (10 Bolt) Series Axle with 2.73 and Up Gear Ratio 1975, Differential Locker by OX Off Road®. OX Lockers can instantly lock differentials and allow you to...
      Easy clean cabin friendly installation with no setup adjustmentsStandard system uses no electric for a higher level of dependability
      $859.00 - $994.00
    • (0 reviews)
      # 990434068
      Pontiac Firebird with GM 8.5" Series Axle with 10 Bolt 1975, Ring and Pinion Gear Set by AllStar Performance®.
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $149.99
    • (0 reviews)
      # 503685177
      Pontiac Firebird Trans Am with 28 Spline 1975, 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...
      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)
      # 503616152
      Pontiac Firebird Trans Am with 28 Spline 1975, 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...
      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)
      # mpn4517167516
      Pontiac Firebird Trans Am with 28 Spline with GM 8.5" Series Axle 1975, Rear Differential Mini Installation Kit by Yukon Gear & Axle®. With Supershims. Location: Rear. Yukon Mini installation kits are a low cost solution for gear...
      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
    • (0 reviews)
      # mpn4517167247
      Pontiac Firebird Trans Am with 28 Spline with GM 8.5" Series Axle 1975, Rear Differential Pinion Installation Kit by Yukon Gear & Axle®. Location: Rear. Yukon Pinion installation kits are a terrific solution for gear installation on...
      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
    • (0 reviews)
      # 1029271568
      Pontiac Firebird Trans Am with 28 Spline with GM 8.5" Series Axle 1975, 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...
      Provides 100% traction to both wheels at all timesInstalls into standard open carrier case
      $109.39 - $124.30
    • (0 reviews)
      # 68642628
      Pontiac Firebird Trans Am with 28 Spline with GM 8.5" Series Axle 1975, 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...
      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
      $140.99 - $225.57
    • (0 reviews)
      # 1028943045
      Pontiac Firebird Trans Am with 28 Spline with GM 8.5" Series Axle 1975, 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)
      # 503572526
      Pontiac Firebird with GM 8.5" Series Axle with 10 Bolt 1975, 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...
      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 1975, 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)
      # mpn4517165997
      Pontiac Firebird 5.7L with GM 8.5" Series Axle with 10 Bolt 1975, Differential Gear Installation Kit by Motive Gear®. All Motive Gear products are engineered for their specific application and manufactured in state of the art...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $59.93
    • (0 reviews)
      # 503598008
      Pontiac Firebird with GM 8.5" Series Axle with 10 Bolt 1975, 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $91.57 - $108.26
    • (0 reviews)
      # 503509126
      Pontiac Firebird with GM 8.5" Series Axle with 10 Bolt 1975, Differential Pinion 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $46.56 - $59.74
    • (0 reviews)
      # 503673450
      Pontiac Firebird 5.7L with GM 8.5" Series Axle with 10 Bolt 1975, 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $115.16 - $125.48
    • (0 reviews)
      # mpn4517166000
      Pontiac Firebird with 28 Spline with GM 8.5" Series Axle with 10 Bolt with Open Differential 1975, 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 1975, 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)
      # mpn4517168046
      Pontiac Firebird with GM 8.5" Series Axle 1975, Rear Differential Master Overhaul Kit by Spicer®. Location: Rear. Genuine Spicer overhaul kit include all the latest production upgrades, so the parts you’re installing are as good or...
      Save Money: Buying components separately can be costly and cumbersomeSave Downtime: Be ready to perform a repair or overhaul as you need it
      $171.26
    • (0 reviews)
      # mpn4510235918
      Pontiac Firebird Esprit / Formula / Trans Am GM 8.5" Axle 1975, Spider Gear Set by Revolution Gear & Axle®. Designed utilizing the latest technology, this product by Revolution Gear & Axle features premium quality and will perform...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $116.99
    • (0 reviews)
      # 1145671362
      Pontiac Firebird Esprit / Formula / Trans Am GM 8.5" Axle 1975, with Timken™ Bearings Differential Master Overhaul Kit by Revolution Gear & Axle®. Designed utilizing the latest technology, this product by Revolution Gear & Axle...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $104.49
    • (0 reviews)
      # mpn4517168652
      Pontiac Firebird 5.7L with GM 8.5" Series Axle with 10 Bolt 1975, 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...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $27.10
    • (0 reviews)
      # mpn4517166520
      Pontiac Firebird 5.7L with GM 8.5" Series Axle with 10 Bolt 1975, 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...
      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 1975, 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)
      # mpn4517169141
      Pontiac Firebird with GM 8.5" Series Axle with 10 Bolt 1975, Excel™ Differential Bearing Kit by Richmond®. Designed utilizing the latest technology, this product by Richmond features premium quality and will perform better than...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $124.82
    • (0 reviews)
      # mpn4517168747
      Pontiac Firebird with 1.2" Axle Spline Diameter with 28 Spline with GM 8.5" Series Axle with 10 Bolt 1975, Excel™ Differential Carrier Gear Kit by Richmond®. Designed utilizing the latest technology, this product by Richmond features...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $88.01
    • (0 reviews)
      # mpn4517166584
      Pontiac Firebird with 28 Spline with GM 8.5" Series Axle with 10 Bolt with Open Differential 1975, 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 1975, 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 1975, 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 1975, 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)
      # mpn4515290620
      Pontiac Firebird with GM 8.5" Series Axle with 10 Bolt 1975, Mini Spool by AllStar Performance®. Designed utilizing the latest technology, this product by AllStar Performance features premium quality and will perform better than...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $96.99
    • (0 reviews)
      # mpn4515293218
      Pontiac Firebird with GM 8.5" Series Axle with 10 Bolt 1975, Ring and Pinion Installation Bearing Kit by AllStar Performance®.
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $97.99
    • (0 reviews)
      # mpn4515293621
      Pontiac Firebird with GM 8.5" Series Axle with 10 Bolt 1975, Ring and Pinion Installation Shim Kit by AllStar Performance®.
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $43.99
    • (0 reviews)
      # 503687553
      Pontiac Firebird Trans Am with 28 Spline with GM 8.5" Series Axle 1975, 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...
      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)
      # mpn4517168017
      Pontiac Firebird Trans Am with 28 Spline with GM 8.5" Series Axle 1975, 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...
      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)
      # 503548216
      Pontiac Firebird Trans Am with 28 Spline with GM 8.5" Series Axle 1975, 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...
      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)
      # 503540024
      Pontiac Firebird Trans Am with 28 Spline with GM 8.5" Series Axle 1975, 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...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $253.84 - $310.77
    • (0 reviews)
      # mpn4517167312
      Pontiac Firebird Trans Am with Posi Differential with 28 Spline with GM 8.5" Series Axle 1975, Rear Differential Cross Pin Bolt by Yukon Gear & Axle®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning...
      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)
      # 503665422
      Pontiac Firebird Trans Am with 28 Spline with GM 8.5" Series Axle 1975, 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...
      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 - $35.25
    • (0 reviews)
      # mpn4517167447
      Pontiac Firebird Trans Am with 28 Spline with GM 8.5" Series Axle 1975, Rear Differential Crush Sleeve by Yukon Gear & Axle®. Location: Rear. Designed utilizing the latest technology, this product by Yukon Gear & Axle features premium...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $3.68




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