1973 Pontiac Firebird Differential Parts

Choose your Engine for your 1973 Pontiac Firebird


Showing 1 - 5 of 5 products
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Eaton
  • 28 Spline; 1.20 in. Axle Shaft Diameter; 2.73 And Up Ring Gear Pinion Ratio; 8.5 in. GM 8.5/8.6 in. Eaton Differentials Require Special Bearings~Axles w/Small Bearing Bores OD 2.89 in. Req. PN[LM-102949/LM-102911]~Axles w/Large Bearing Bores OD 3.06 in. Req. PN[LM603049/LM603012]
  • Detroit Truetrac® Differential; 28 Spline; 1.20 in. Axle Shaft Diameter; 2.73 And Up Ring Gear Pinion Ratio; Rear; 8.5 in.;
  • Detroit Truetrac® Differential
  • Features:
    • Helical Gear Limited Slip Differential
    • Optimized Torque Bias Ratios Deliver Max Acceleration And Handling
    • Automatic Engagement
    • Works In Forward And Reverse
    • Ideal For Most Vehicles
    • Durable
    • Smooth
    • Quiet Operation
    • No Special Lubrication Or Friction Modifiers Needed
  • The Detroit Truetrac is a helical-gear style, limited-slip differential that maximizes wheel traction and enhances driving characteristics. Maintenance-free, it features smooth, automatic operation in forward and reverse. Its versatility makes Detroit Truetrac the ideal traction solution for almost any type of vehicle.

Additional Fitment Information:
Vehicle Block CC Position Engine CID
1973 - Pontiac Firebird V 7456 Rear 8 Cyl 7.5L 455

Yukon Gear
  • 8.5in./8.6in. GM 2.73/Up Dura Grip Limited Slip; 30spl; Composite Clutches
  • 8.6 in. 10 Bolt; 30 Spline; 2.73 And Up GM 8.5 in.; 30 Spline; 2.73 And Up~Yukon Dura Grip Positraction / Limited Slip; GM 8.5 in. Rear; 30 Spline; 2.73 And Up; 1.781 in. Bearing Journal
  • Yukon Dura Grip is a positraction limited slip differential that provides smooth yet aggressive traction; giving you the confidence and performance you need across a wide variety of terrains.
  • Yukon Dura Grip Differential
  • Product Attributes:
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Warning: This Product Can Expose You To Chemicals Including Arsenic; Which Is Known To The State Of California To Cause Cancer. For More Information; Go To Www.p65warnings.ca.gov.
  • Features:
    • Fits 8.5 in./8.6 in. GM w/30 Spline Axles
    • Fits 2.73 Gear Ratio Up
    • Fully Rebuildable Design And Proudly Assembled In The USA
    • Limited Slip Differential w/Composite Clutches
    • All Units Are Backed By Extensive Product Testing And State-Of-The-Art Software Design
    • Yukon Dura Grips Feature 4320 Chromoly Spider Gears For Ultimate Durability
  • Yukon Dura Grip is a positraction limited slip differential that provides smooth yet aggressive traction, giving you the confidence and performance you need across a wide variety of terrains. The Dura Grip is engineered for long life and is completely rebuildable. Dura Grips are constructed with a high strength nodular case, forged 4320 chromoly spider gears, and composite clutches. For unmatched positraction performance, the Dura Grip is the ultimate choice. When your vehicle demands performance, durability and strength, choose Yukon Dura Grip.

Additional Fitment Information:
Vehicle Block CC Position Engine CID
1973 - Pontiac Firebird V 5733 Rear 8 Cyl 5.7L 350

Yukon Gear
  • 8.5in./8.6in. GM 2.73/Up Dura Grip Limited Slip; 30spl; Composite Clutches
  • 8.6 in. 10 Bolt; 30 Spline; 2.73 And Up GM 8.5 in.; 30 Spline; 2.73 And Up~Yukon Dura Grip Positraction / Limited Slip; GM 8.5 in. Rear; 30 Spline; 2.73 And Up; 1.781 in. Bearing Journal
  • Yukon Dura Grip is a positraction limited slip differential that provides smooth yet aggressive traction; giving you the confidence and performance you need across a wide variety of terrains.
  • Yukon Dura Grip Differential
  • Product Attributes:
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Warning: This Product Can Expose You To Chemicals Including Arsenic; Which Is Known To The State Of California To Cause Cancer. For More Information; Go To Www.p65warnings.ca.gov.
  • Features:
    • Fits 8.5 in./8.6 in. GM w/30 Spline Axles
    • Fits 2.73 Gear Ratio Up
    • Fully Rebuildable Design And Proudly Assembled In The USA
    • Limited Slip Differential w/Composite Clutches
    • All Units Are Backed By Extensive Product Testing And State-Of-The-Art Software Design
    • Yukon Dura Grips Feature 4320 Chromoly Spider Gears For Ultimate Durability
  • Yukon Dura Grip is a positraction limited slip differential that provides smooth yet aggressive traction, giving you the confidence and performance you need across a wide variety of terrains. The Dura Grip is engineered for long life and is completely rebuildable. Dura Grips are constructed with a high strength nodular case, forged 4320 chromoly spider gears, and composite clutches. For unmatched positraction performance, the Dura Grip is the ultimate choice. When your vehicle demands performance, durability and strength, choose Yukon Dura Grip.

Additional Fitment Information:
Vehicle Block CC Position Engine CID
1973 - Pontiac Firebird V 5733 Front 8 Cyl 5.7L 350

Yukon Gear
  • 8.5in./8.6in. GM 2.73/Up Dura Grip Limited Slip; 30spl; Composite Clutches
  • 8.6 in. 10 Bolt; 30 Spline; 2.73 And Up GM 8.5 in.; 30 Spline; 2.73 And Up~Yukon Dura Grip Positraction / Limited Slip; GM 8.5 in. Rear; 30 Spline; 2.73 And Up; 1.781 in. Bearing Journal
  • Yukon Dura Grip is a positraction limited slip differential that provides smooth yet aggressive traction; giving you the confidence and performance you need across a wide variety of terrains.
  • Yukon Dura Grip Differential
  • Product Attributes:
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Warning: This Product Can Expose You To Chemicals Including Arsenic; Which Is Known To The State Of California To Cause Cancer. For More Information; Go To Www.p65warnings.ca.gov.
  • Features:
    • Fits 8.5 in./8.6 in. GM w/30 Spline Axles
    • Fits 2.73 Gear Ratio Up
    • Fully Rebuildable Design And Proudly Assembled In The USA
    • Limited Slip Differential w/Composite Clutches
    • All Units Are Backed By Extensive Product Testing And State-Of-The-Art Software Design
    • Yukon Dura Grips Feature 4320 Chromoly Spider Gears For Ultimate Durability
  • Yukon Dura Grip is a positraction limited slip differential that provides smooth yet aggressive traction, giving you the confidence and performance you need across a wide variety of terrains. The Dura Grip is engineered for long life and is completely rebuildable. Dura Grips are constructed with a high strength nodular case, forged 4320 chromoly spider gears, and composite clutches. For unmatched positraction performance, the Dura Grip is the ultimate choice. When your vehicle demands performance, durability and strength, choose Yukon Dura Grip.

Additional Fitment Information:
Vehicle Block CC Position Engine CID
1973 - Pontiac Firebird V 5733 Rear 8 Cyl 5.7L 350

Yukon Gear
  • 8.5in./8.6in. GM 2.73/Up Dura Grip Limited Slip; 30spl; Composite Clutches
  • 8.6 in. 10 Bolt; 30 Spline; 2.73 And Up GM 8.5 in.; 30 Spline; 2.73 And Up~Yukon Dura Grip Positraction / Limited Slip; GM 8.5 in. Rear; 30 Spline; 2.73 And Up; 1.781 in. Bearing Journal
  • Yukon Dura Grip is a positraction limited slip differential that provides smooth yet aggressive traction; giving you the confidence and performance you need across a wide variety of terrains.
  • Yukon Dura Grip Differential
  • Product Attributes:
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Warning: This Product Can Expose You To Chemicals Including Arsenic; Which Is Known To The State Of California To Cause Cancer. For More Information; Go To Www.p65warnings.ca.gov.
  • Features:
    • Fits 8.5 in./8.6 in. GM w/30 Spline Axles
    • Fits 2.73 Gear Ratio Up
    • Fully Rebuildable Design And Proudly Assembled In The USA
    • Limited Slip Differential w/Composite Clutches
    • All Units Are Backed By Extensive Product Testing And State-Of-The-Art Software Design
    • Yukon Dura Grips Feature 4320 Chromoly Spider Gears For Ultimate Durability
  • Yukon Dura Grip is a positraction limited slip differential that provides smooth yet aggressive traction, giving you the confidence and performance you need across a wide variety of terrains. The Dura Grip is engineered for long life and is completely rebuildable. Dura Grips are constructed with a high strength nodular case, forged 4320 chromoly spider gears, and composite clutches. For unmatched positraction performance, the Dura Grip is the ultimate choice. When your vehicle demands performance, durability and strength, choose Yukon Dura Grip.

Additional Fitment Information:
Vehicle Block CC Position Engine CID
1973 - Pontiac Firebird V 5733 Front 8 Cyl 5.7L 350
Showing 1 - 5 of 5 products

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