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1980 Pontiac Firebird Differential Ring and Pinion

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Dorman Differential Ring and Pinion - Rear
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Sale Price: $145.23
with FREE Shipping
(5) In Stock
Part Number: 4657-05474320
Notes: Differential Ring and Pinion -- 2.73 Axle Ratio; 8.5 In. Ring Gear
Position: Rear
Condition: New

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This Product Fits the Following: Warehouse: B
Vehicle
• 1980 Pontiac Firebird

Dorman Differential Ring and Pinion - Rear
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Sale Price: $148.23
with FREE Shipping
(5) In Stock
Part Number: 4657-05474319
Notes: Differential Ring and Pinion -- 3.23 Axle Ratio; 8.5 In. Ring Gear
Position: Rear
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Warehouse: B
Vehicle
• 1980 Pontiac Firebird

Dorman Differential Ring and Pinion - Rear
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Sale Price: $159.23
with FREE Shipping
(9) In Stock
Part Number: 4657-05161189
Notes: Differential Ring and Pinion -- 3.42 Axle Ratio; 8.5 In. Ring Gear
Position: Rear
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Warehouse: B
Vehicle
• 1980 Pontiac Firebird

Dorman Differential Ring and Pinion - Rear
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Dorman 697-301
Differential Ring and Pinion
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Sale Price: $169.23
with FREE Shipping
(14) In Stock
Part Number: 4657-05124782
Notes: Differential Ring and Pinion -- 3.73 Axle Ratio; 8.5 In. Ring Gear
Position: Rear
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Warehouse: B
Vehicle
• 1980 Pontiac Firebird

Dorman Differential Ring and Pinion - Rear
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Sale Price: $124.23
(5) In Stock
Part Number: 4657-05474311
Notes: Differential Ring and Pinion -- 7.5 In. Ring Gear; 2.73 Axle Ratio
Position: Rear
Condition: New

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Ground
This Product Fits the Following: Warehouse: B
Vehicle
• 1980 Pontiac Firebird

Dorman Differential Ring and Pinion - Rear
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Sale Price: $184.23
with FREE Shipping
(5) In Stock
Part Number: 4657-05474312
Notes: Differential Ring and Pinion -- 7.5 In. Ring Gear; 3.23 Axle Ratio
Position: Rear
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Warehouse: B
Vehicle
• 1980 Pontiac Firebird

Dorman Differential Ring and Pinion - Rear
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Sale Price: $146.23
with FREE Shipping
(5) In Stock
Part Number: 4657-05445481
Notes: Differential Ring and Pinion -- 7.5 In. Ring Gear; 3.42 Axle Ratio; Standard Gear
Position: Rear
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Warehouse: B
Vehicle
• 1980 Pontiac Firebird

Dorman Differential Ring and Pinion - Rear
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Sale Price: $179.23
with FREE Shipping
(5) In Stock
Part Number: 4657-05254356
Notes: Differential Ring and Pinion -- 7.5 In. Ring Gear; 3.73 Axle Ratio; Standard Gear
Position: Rear
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Warehouse: B
Vehicle
• 1980 Pontiac Firebird

Dorman Differential Ring and Pinion - Rear
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Sale Price: $152.23
with FREE Shipping
(5) In Stock
Part Number: 4657-05474282
Notes: Differential Ring and Pinion -- 7.5 In. Ring Gear; 4.10 Axle Ratio
Position: Rear
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Warehouse: B
Vehicle
• 1980 Pontiac Firebird

Dorman Differential Ring and Pinion - Rear
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Sale Price: $136.23
with FREE Shipping
(5) In Stock
Part Number: 4657-05474313
Notes: Differential Ring and Pinion -- 7.5 In. Ring Gear; 4.56 Axle Ratio
Position: Rear
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Warehouse: B
Vehicle
• 1980 Pontiac Firebird

Motive Gear Differential Ring and Pinion - Rear - 7.5 in. 10 Bolt - 3.73 Ratio;

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Sale Price: $203.47
(4) In Stock
Part Number: 4657-03620709
Notes: 7.5 in. 10 Bolt; 3.73 Ratio;
Position: Rear
Condition: New

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This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.3L V8 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Motive Gear Differential Ring and Pinion - Rear - 8.5 in. 10 Bolt - 2.73 Ratio;

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Sale Price: $205.26
(>15) In Stock
Part Number: 4657-03620693
Notes: 8.5 in. 10 Bolt; 2.73 Ratio;
Position: Rear
Condition: New

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This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.3L V8 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Motive Gear Differential Ring and Pinion - Rear - 8.5 in. 10 Bolt - 3.08 Ratio;

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Sale Price: $219.83
(1) In Stock
Part Number: 4657-03623126
Notes: 8.5 in. 10 Bolt; 3.08 Ratio;
Position: Rear
Condition: New

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This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.3L V8 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Motive Gear Differential Ring and Pinion - Rear - 8.5 in. 10 Bolt - 3.42 Ratio;

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Sale Price: $205.26
(2) In Stock
Part Number: 4657-03620692
Notes: 8.5 in. 10 Bolt; 3.42 Ratio;
Position: Rear
Condition: New

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This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.3L V8 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Motive Gear Differential Ring and Pinion - Rear - 8.5 in. 10 Bolt - 3.90 Ratio;

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Sale Price: $219.83
(5) In Stock
Part Number: 4657-03620695
Notes: 8.5 in. 10 Bolt; 3.90 Ratio;
Position: Rear
Condition: New

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Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.3L V8 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Motive Gear Differential Ring and Pinion - Rear - 8.5 in. 10 Bolt - 4.11 Ratio;

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Sale Price: $205.26
(12) In Stock
Part Number: 4657-03620696
Notes: 8.5 in. 10 Bolt; 4.11 Ratio;
Position: Rear
Condition: New

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This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.3L V8 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Motive Gear Differential Ring and Pinion - Rear - 8.5 in. 10 Bolt - 4.30 Ratio;

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Sale Price: $243.48
(4) In Stock
Part Number: 4657-03620698
Notes: 8.5 in. 10 Bolt; 4.30 Ratio;
Position: Rear
Condition: New

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Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.3L V8 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Motive Gear Differential Ring and Pinion - Rear - 8.5 in. 10 Bolt - 4.56 Ratio;

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Sale Price: $205.26
(9) In Stock
Part Number: 4657-03620699
Notes: 8.5 in. 10 Bolt; 4.56 Ratio;
Position: Rear
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.3L V8 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Motive Gear Differential Ring and Pinion - Rear - Incl. Pinion-Carrier Shims / Pinion Nut / Ring Gear Bolts / Gear Marking Compound / Pinion Seal / Crush Sleeve / Brush / Gasket-RTV;

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Sale Price: $59.87
(2) In Stock
Part Number: 4657-03620714
Notes: Incl. Pinion-Carrier Shims / Pinion Nut / Ring Gear Bolts / Gear Marking Compound / Pinion Seal / Crush Sleeve / Brush / Gasket-RTV;
Product Remark: 8.5 in. (10 Bolt)
Position: Rear
Condition: New

Shipping Options:
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This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Motive Gear Differential Ring and Pinion - Rear - Master - w / Bearing - Incl. Bearing Kit Plus Ring Gear Bolts / Pinion Shims / Carrier Shims;

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Sale Price: $91.44
(7) In Stock
Part Number: 4657-03620758
Notes: Master; w / Bearing; Incl. Bearing Kit Plus Ring Gear Bolts / Pinion Shims / Carrier Shims;
Product Remark: 8.5 in. (10 Bolt)
Position: Rear
Condition: New

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This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Motive Gear Differential Ring and Pinion - Rear - Master - w / Bearing - Incl. Bearing Kit Plus Ring Gear Bolts / Pinion Shims / Carrier Shims - For Use w.Stk Differential Or Auburn 542018 Only;

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Motive Gear R10RMK
Differential Ring and Pinion
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Sale Price: $88.61
(9) In Stock
Part Number: 4657-03620763
Notes: Master; w / Bearing; Incl. Bearing Kit Plus Ring Gear Bolts / Pinion Shims / Carrier Shims; For Use w.Stk Differential Or Auburn 542018 Only;
Product Remark: 8.5 in. (10 Bolt)
Position: Rear
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Motive Gear Differential Ring and Pinion - Rear - Master - w / Timken Bearing - Incl. Bearing Kit Plus Ring Gear Bolts / Pinion Shims / Carrier Shims;

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Sale Price: $104.75
(6) In Stock
Part Number: 4657-03620759
Notes: Master; w / Timken Bearing; Incl. Bearing Kit Plus Ring Gear Bolts / Pinion Shims / Carrier Shims;
Product Remark: 8.5 in. (10 Bolt)
Position: Rear
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Motive Gear Differential Ring and Pinion - Rear - Master - w / Timken Bearing - Incl. Bearing Kit Plus Ring Gear Bolts / Pinion Shims / Carrier Shims - For Use w.Stk Differential Or Auburn 542018 Only;

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Sale Price: $98.45
(>15) In Stock
Part Number: 4657-03620764
Notes: Master; w / Timken Bearing; Incl. Bearing Kit Plus Ring Gear Bolts / Pinion Shims / Carrier Shims; For Use w.Stk Differential Or Auburn 542018 Only;
Product Remark: 8.5 in. (10 Bolt)
Position: Rear
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Motive Gear Differential Ring and Pinion - Rear - Motivator - 8.5 in. 10 Bolt - 3.73 Ratio - A-Line;

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Sale Price: $174.27
(4) In Stock
Part Number: 4657-03620694
Notes: Motivator; 8.5 in. 10 Bolt; 3.73 Ratio; A-Line;
Position: Rear
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.3L V8 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Motive Gear Differential Ring and Pinion - Rear - Motivator - 8.5 in. 10 Bolt - 4.11 Ratio - A-Line;

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Sale Price: $174.27
(2) In Stock
Part Number: 4657-03620697
Notes: Motivator; 8.5 in. 10 Bolt; 4.11 Ratio; A-Line;
Position: Rear
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.3L V8 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Motive Gear Differential Ring and Pinion - Front - Performance - 8.5 in. 10 Bolt - 3.42 Ratio;

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Sale Price: $233.00
(5) In Stock
Part Number: 4657-03620677
Notes: Performance; 8.5 in. 10 Bolt; 3.42 Ratio;
Position: Front
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Motive Gear Differential Ring and Pinion - Rear - Performance - 8.5 in. 10 Bolt - 3.42 Ratio;

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Click to Enlarge Image is not vehicle specific
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Sale Price: $233.00
(5) In Stock
Part Number: 4657-03620677
Notes: Performance; 8.5 in. 10 Bolt; 3.42 Ratio;
Position: Rear
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Motive Gear Differential Ring and Pinion - Front - Performance - 8.5 in. 10 Bolt - 3.73 Ratio;

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Sale Price: $233.00
(7) In Stock
Part Number: 4657-03620678
Notes: Performance; 8.5 in. 10 Bolt; 3.73 Ratio;
Position: Front
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Motive Gear Differential Ring and Pinion - Rear - Performance - 8.5 in. 10 Bolt - 3.73 Ratio;

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Click to Enlarge Image is not vehicle specific
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Sale Price: $233.00
(7) In Stock
Part Number: 4657-03620678
Notes: Performance; 8.5 in. 10 Bolt; 3.73 Ratio;
Position: Rear
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Motive Gear Differential Ring and Pinion - Front - Performance - 8.5 in. 10 Bolt - 4.10 Ratio;

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Sale Price: $233.00
(8) In Stock
Part Number: 4657-03620680
Notes: Performance; 8.5 in. 10 Bolt; 4.10 Ratio;
Position: Front
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Motive Gear Differential Ring and Pinion - Rear - Performance - 8.5 in. 10 Bolt - 4.10 Ratio;

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Click to Enlarge Image is not vehicle specific
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Sale Price: $233.00
(8) In Stock
Part Number: 4657-03620680
Notes: Performance; 8.5 in. 10 Bolt; 4.10 Ratio;
Position: Rear
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Motive Gear Differential Ring and Pinion - Front - Performance - 8.5 in. 10 Bolt - 4.56 Ratio;

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Sale Price: $233.00
(5) In Stock
Part Number: 4657-03620682
Notes: Performance; 8.5 in. 10 Bolt; 4.56 Ratio;
Position: Front
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Motive Gear Differential Ring and Pinion - Rear - Performance - 8.5 in. 10 Bolt - 4.56 Ratio;

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Click to Enlarge Image is not vehicle specific
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Sale Price: $233.00
(5) In Stock
Part Number: 4657-03620682
Notes: Performance; 8.5 in. 10 Bolt; 4.56 Ratio;
Position: Rear
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Motive Gear Differential Ring and Pinion - Front - Performance - 8.5 in. 10 Bolt - 5.13 Ratio;

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Sale Price: $246.72
(1) In Stock
Part Number: 4657-03620685
Notes: Performance; 8.5 in. 10 Bolt; 5.13 Ratio;
Position: Front
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Motive Gear Differential Ring and Pinion - Rear - Performance - 8.5 in. 10 Bolt - 5.13 Ratio;

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Click to Enlarge Image is not vehicle specific
(Read reviews)
Sale Price: $246.72
(1) In Stock
Part Number: 4657-03620685
Notes: Performance; 8.5 in. 10 Bolt; 5.13 Ratio;
Position: Rear
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Richmond Gear Differential Ring and Pinion - Rear - Excel Full - Fits GM 8.5in. Car - Incl. Cvr Gskt / Bolts / Washers / Crush Sleeve / Mrk Cmpd / Brngs / Pinion Nut / Pinion Seal / Thread Lock Cmpd / Sealer / Shims;

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Sale Price: $96.56
(11) In Stock
Part Number: 4657-03621704
Notes: Excel Full; Fits GM 8.5in. Car; Incl. Cvr Gskt / Bolts / Washers / Crush Sleeve / Mrk Cmpd / Brngs / Pinion Nut / Pinion Seal / Thread Lock Cmpd / Sealer / Shims;
Product Remark: 8.5 in. (10 Bolt)
Position: Rear
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Richmond Gear Differential Ring and Pinion - Front - Excel - 3.42 Ratio - 41-12 Teeth - 8.50 / 8.625 in. Dia. Ring Gear - 1.626 in. Dia. Pinion - 30 Spline - 10 Hole Oval Cover - Front 8.5 in. - Rear 8.5 in.;

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Sale Price: $153.07
(6) In Stock
Part Number: 4657-03621692
Notes: Excel; 3.42 Ratio; 41-12 Teeth; 8.50 / 8.625 in. Dia. Ring Gear; 1.626 in. Dia. Pinion; 30 Spline; 10 Hole Oval Cover; Front 8.5 in.; Rear 8.5 in.;
Position: Front
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Richmond Gear Differential Ring and Pinion - Rear - Excel - 3.42 Ratio - 41-12 Teeth - 8.50 / 8.625 in. Dia. Ring Gear - 1.626 in. Dia. Pinion - 30 Spline - 10 Hole Oval Cover - Front 8.5 in. - Rear 8.5 in.;

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Sale Price: $153.07
(6) In Stock
Part Number: 4657-03621692
Notes: Excel; 3.42 Ratio; 41-12 Teeth; 8.50 / 8.625 in. Dia. Ring Gear; 1.626 in. Dia. Pinion; 30 Spline; 10 Hole Oval Cover; Front 8.5 in.; Rear 8.5 in.;
Position: Rear
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Richmond Gear Differential Ring and Pinion - Front - Excel - 3.73 Ratio - 41-11 Teeth - 8.50 / 8.625 in. Dia. Ring Gear - 1.626 in. Dia. Pinion - 30 Spline - 10 Hole Oval Cover - Front 8.5 in. - Rear 8.5 in.;

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Sale Price: $153.07
(5) In Stock
Part Number: 4657-03621693
Notes: Excel; 3.73 Ratio; 41-11 Teeth; 8.50 / 8.625 in. Dia. Ring Gear; 1.626 in. Dia. Pinion; 30 Spline; 10 Hole Oval Cover; Front 8.5 in.; Rear 8.5 in.;
Position: Front
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Richmond Gear Differential Ring and Pinion - Rear - Excel - 3.73 Ratio - 41-11 Teeth - 8.50 / 8.625 in. Dia. Ring Gear - 1.626 in. Dia. Pinion - 30 Spline - 10 Hole Oval Cover - Front 8.5 in. - Rear 8.5 in.;

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(Read reviews)
Sale Price: $153.07
(5) In Stock
Part Number: 4657-03621693
Notes: Excel; 3.73 Ratio; 41-11 Teeth; 8.50 / 8.625 in. Dia. Ring Gear; 1.626 in. Dia. Pinion; 30 Spline; 10 Hole Oval Cover; Front 8.5 in.; Rear 8.5 in.;
Position: Rear
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Richmond Gear Differential Ring and Pinion - Front - Excel - 4.10 Ratio - 41-10 Teeth - 8.50 / 8.625 in. Dia. Ring Gear - 1.626 in. Dia. Pinion - 30 Spline - 10 Hole Oval Cover - Front 8.5 in. - Rear 8.5 in.;

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Sale Price: $153.07
(4) In Stock
Part Number: 4657-03621694
Notes: Excel; 4.10 Ratio; 41-10 Teeth; 8.50 / 8.625 in. Dia. Ring Gear; 1.626 in. Dia. Pinion; 30 Spline; 10 Hole Oval Cover; Front 8.5 in.; Rear 8.5 in.;
Position: Front
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Richmond Gear Differential Ring and Pinion - Rear - Excel - 4.10 Ratio - 41-10 Teeth - 8.50 / 8.625 in. Dia. Ring Gear - 1.626 in. Dia. Pinion - 30 Spline - 10 Hole Oval Cover - Front 8.5 in. - Rear 8.5 in.;

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(Read reviews)
Sale Price: $153.07
(4) In Stock
Part Number: 4657-03621694
Notes: Excel; 4.10 Ratio; 41-10 Teeth; 8.50 / 8.625 in. Dia. Ring Gear; 1.626 in. Dia. Pinion; 30 Spline; 10 Hole Oval Cover; Front 8.5 in.; Rear 8.5 in.;
Position: Rear
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Richmond Gear Differential Ring and Pinion - Front - Excel - 4.56 Ratio - 41-9 Teeth - 8.50 / 8.625 in. Dia. Ring Gear - 1.626 in. Dia. Pinion - 30 Spline - 10 Hole Oval Cover - Front 8.5 in. - Rear 8.5 in.;

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Sale Price: $153.07
(4) In Stock
Part Number: 4657-03621695
Notes: Excel; 4.56 Ratio; 41-9 Teeth; 8.50 / 8.625 in. Dia. Ring Gear; 1.626 in. Dia. Pinion; 30 Spline; 10 Hole Oval Cover; Front 8.5 in.; Rear 8.5 in.;
Position: Front
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Richmond Gear Differential Ring and Pinion - Rear - Excel - 4.56 Ratio - 41-9 Teeth - 8.50 / 8.625 in. Dia. Ring Gear - 1.626 in. Dia. Pinion - 30 Spline - 10 Hole Oval Cover - Front 8.5 in. - Rear 8.5 in.;

Click to Enlarge
(Read reviews)
Sale Price: $153.07
(4) In Stock
Part Number: 4657-03621695
Notes: Excel; 4.56 Ratio; 41-9 Teeth; 8.50 / 8.625 in. Dia. Ring Gear; 1.626 in. Dia. Pinion; 30 Spline; 10 Hole Oval Cover; Front 8.5 in.; Rear 8.5 in.;
Position: Rear
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Richmond Gear Differential Ring and Pinion - Rear - Full - Fits GM 8.5in. Car - Incl. Cvr Gskt / Bolts / Washers / Crush Sleeve / Mrk Cmpd / Brngs / Pinion Nut / Pinion Seal / Thread Lock Cmpd / Sealer / Shims;

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Sale Price: $141.44
with FREE Shipping
(>15) In Stock
Part Number: 4657-03621651
Notes: Full; Fits GM 8.5in. Car; Incl. Cvr Gskt / Bolts / Washers / Crush Sleeve / Mrk Cmpd / Brngs / Pinion Nut / Pinion Seal / Thread Lock Cmpd / Sealer / Shims;
Product Remark: 8.5 in. (10 Bolt)
Position: Rear
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Richmond Gear Differential Ring and Pinion - Rear - Half - Fits GM 8.5 in. Car - Incl. Cover Gasket / Crush Sleeve / Pinion Shims;

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Sale Price: $23.57
(3) In Stock
Part Number: 4657-03621652
Notes: Half; Fits GM 8.5 in. Car; Incl. Cover Gasket / Crush Sleeve / Pinion Shims;
Product Remark: 8.5 in. (10 Bolt)
Position: Rear
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Richmond Gear Differential Ring and Pinion - Rear - Street Gear - Fits GM 8.5 in. - 3.23 Ratio - 42-13 Teeth - 8.5 / 8.625 in. Dia. Ring Gear - 1.626 in. Dia. Pinion - 30 Spline;

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Sale Price: $330.03
with FREE Shipping
(5) In Stock
Part Number: 4657-03621601
Notes: Street Gear; Fits GM 8.5 in.; 3.23 Ratio; 42-13 Teeth; 8.5 / 8.625 in. Dia. Ring Gear; 1.626 in. Dia. Pinion; 30 Spline;
Position: Rear
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Richmond Gear Differential Ring and Pinion - Rear - Street Gear - Fits GM 8.5 in. - 3.42 Ratio - 41-12 Teeth - 8.5 / 8.625 in. Dia. Ring Gear - 1.626 in. Dia. Pinion - 30 Spline;

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Sale Price: $289.81
with FREE Shipping
(2) In Stock
Part Number: 4657-03621618
Notes: Street Gear; Fits GM 8.5 in.; 3.42 Ratio; 41-12 Teeth; 8.5 / 8.625 in. Dia. Ring Gear; 1.626 in. Dia. Pinion; 30 Spline;
Position: Rear
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Richmond Gear Differential Ring and Pinion - Front - Street Gear - Fits GM 8.5 in. - 3.73 Ratio - 41-11 Teeth - 8.5 / 8.625 in. Dia. Ring Gear - 1.626 in. Dia. Pinion - 30 Spline - Front 8.5 in. - Rear 8.5 in.;

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Sale Price: $282.88
with FREE Shipping
(12) In Stock
Part Number: 4657-03621604
Notes: Street Gear; Fits GM 8.5 in.; 3.73 Ratio; 41-11 Teeth; 8.5 / 8.625 in. Dia. Ring Gear; 1.626 in. Dia. Pinion; 30 Spline; Front 8.5 in.; Rear 8.5 in.;
Position: Front
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Richmond Gear Differential Ring and Pinion - Rear - Street Gear - Fits GM 8.5 in. - 3.73 Ratio - 41-11 Teeth - 8.5 / 8.625 in. Dia. Ring Gear - 1.626 in. Dia. Pinion - 30 Spline - Front 8.5 in. - Rear 8.5 in.;

Click to Enlarge
(Read reviews)
Sale Price: $282.88
with FREE Shipping
(12) In Stock
Part Number: 4657-03621604
Notes: Street Gear; Fits GM 8.5 in.; 3.73 Ratio; 41-11 Teeth; 8.5 / 8.625 in. Dia. Ring Gear; 1.626 in. Dia. Pinion; 30 Spline; Front 8.5 in.; Rear 8.5 in.;
Position: Rear
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Richmond Gear Differential Ring and Pinion - Rear - Street Gear - Fits GM 8.5 in. - 4.10 Ratio - 41-10 Teeth - 8.5 / 8.625 in. Dia. Ring Gear - 1.626 in. Dia. Pinion - 30 Splin - Front 8.5 in. - Rear 8.5 in.;

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(Read reviews)
Sale Price: $275.95
with FREE Shipping
(7) In Stock
Part Number: 4657-03621623
Notes: Street Gear; Fits GM 8.5 in.; 4.10 Ratio; 41-10 Teeth; 8.5 / 8.625 in. Dia. Ring Gear; 1.626 in. Dia. Pinion; 30 Splin; Front 8.5 in.; Rear 8.5 in.;
Position: Rear
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Richmond Gear Differential Ring and Pinion - Front - Street Gear - Fits GM 8.5 in. - 4.56 Ratio - 41-9 Teeth - 8.5 / 8.625 in. Dia. Ring Gear - 1.626 in. Dia. Pinion - 30 Spline - Front 8.5 in. - Rear 8.5 in.;

Click to Enlarge
(Read reviews)
Sale Price: $282.88
with FREE Shipping
(2) In Stock
Part Number: 4657-03621624
Notes: Street Gear; Fits GM 8.5 in.; 4.56 Ratio; 41-9 Teeth; 8.5 / 8.625 in. Dia. Ring Gear; 1.626 in. Dia. Pinion; 30 Spline; Front 8.5 in.; Rear 8.5 in.;
Position: Front
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Richmond Gear Differential Ring and Pinion - Rear - Street Gear - Fits GM 8.5 in. - 4.56 Ratio - 41-9 Teeth - 8.5 / 8.625 in. Dia. Ring Gear - 1.626 in. Dia. Pinion - 30 Spline - Front 8.5 in. - Rear 8.5 in.;

Click to Enlarge
(Read reviews)
Sale Price: $282.88
with FREE Shipping
(2) In Stock
Part Number: 4657-03621624
Notes: Street Gear; Fits GM 8.5 in.; 4.56 Ratio; 41-9 Teeth; 8.5 / 8.625 in. Dia. Ring Gear; 1.626 in. Dia. Pinion; 30 Spline; Front 8.5 in.; Rear 8.5 in.;
Position: Rear
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Richmond Gear Differential Ring and Pinion - Front - Street Gear - Fits GM 8.5 in. - 4.88 Ratio - 39-8 Teeth - 8.5 / 8.625 in. Dia. Ring Gear - 1.626 in. Dia. Pinion - 30 Spline - Front 8.5 in. - Rear 8.5 in.;

Click to Enlarge
(Read reviews)
Sale Price: $282.88
with FREE Shipping
(3) In Stock
Part Number: 4657-03621625
Notes: Street Gear; Fits GM 8.5 in.; 4.88 Ratio; 39-8 Teeth; 8.5 / 8.625 in. Dia. Ring Gear; 1.626 in. Dia. Pinion; 30 Spline; Front 8.5 in.; Rear 8.5 in.;
Position: Front
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Richmond Gear Differential Ring and Pinion - Rear - Street Gear - Fits GM 8.5 in. - 4.88 Ratio - 39-8 Teeth - 8.5 / 8.625 in. Dia. Ring Gear - 1.626 in. Dia. Pinion - 30 Spline - Front 8.5 in. - Rear 8.5 in.;

Click to Enlarge
(Read reviews)
Sale Price: $282.88
with FREE Shipping
(3) In Stock
Part Number: 4657-03621625
Notes: Street Gear; Fits GM 8.5 in.; 4.88 Ratio; 39-8 Teeth; 8.5 / 8.625 in. Dia. Ring Gear; 1.626 in. Dia. Pinion; 30 Spline; Front 8.5 in.; Rear 8.5 in.;
Position: Rear
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Richmond Gear Differential Ring and Pinion - Front - Street Gear - Fits GM 8.5 in. - 5.13 Ratio - 41-8 Teeth - 8.5 / 8.625 in. Dia. Ring Gear - 1.626 in. Dia. Pinion - 30 Spline - Front 8.5 in. - Rear 8.5 in.;

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(Read reviews)
Sale Price: $298.13
with FREE Shipping
(4) In Stock
Part Number: 4657-03621626
Notes: Street Gear; Fits GM 8.5 in.; 5.13 Ratio; 41-8 Teeth; 8.5 / 8.625 in. Dia. Ring Gear; 1.626 in. Dia. Pinion; 30 Spline; Front 8.5 in.; Rear 8.5 in.;
Position: Front
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Richmond Gear Differential Ring and Pinion - Rear - Street Gear - Fits GM 8.5 in. - 5.13 Ratio - 41-8 Teeth - 8.5 / 8.625 in. Dia. Ring Gear - 1.626 in. Dia. Pinion - 30 Spline - Front 8.5 in. - Rear 8.5 in.;

Click to Enlarge
(Read reviews)
Sale Price: $298.13
with FREE Shipping
(4) In Stock
Part Number: 4657-03621626
Notes: Street Gear; Fits GM 8.5 in.; 5.13 Ratio; 41-8 Teeth; 8.5 / 8.625 in. Dia. Ring Gear; 1.626 in. Dia. Pinion; 30 Spline; Front 8.5 in.; Rear 8.5 in.;
Position: Rear
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Dorman Differential Ring and Pinion - Rear
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Sale Price: $159.23
with FREE Shipping

Out of Stock
Part Number: 4657-05248516
Notes: Differential Ring and Pinion -- 3.08 Axle Ratio; 8.5 In. Ring Gear
Position: Rear
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Warehouse: B
Vehicle
• 1980 Pontiac Firebird

Motive Gear Differential Ring and Pinion - Front - Performance - 8.5 in. 10 Bolt - 4.88 Ratio;

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Click to Enlarge Image is not vehicle specific
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Sale Price: $233.00

Out of Stock
Part Number: 4657-03620683
Notes: Performance; 8.5 in. 10 Bolt; 4.88 Ratio;
Position: Front
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Motive Gear Differential Ring and Pinion - Rear - Performance - 8.5 in. 10 Bolt - 4.88 Ratio;

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Click to Enlarge Image is not vehicle specific
(Read reviews)
Sale Price: $233.00

Out of Stock
Part Number: 4657-03620683
Notes: Performance; 8.5 in. 10 Bolt; 4.88 Ratio;
Position: Rear
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Richmond Gear Differential Ring and Pinion - Front - Excel - 3.08 Ratio - 40-13 Teeth - 8.50 / 8.625 in. Dia. Ring Gear - 1.626 in. Dia. Pinion - 30 Spline - 10 Hole Oval Cover - Front 8.5 in. - Rear 8.5 in;

Click to Enlarge
(Read reviews)
Sale Price: $153.07

Out of Stock
Part Number: 4657-03621691
Notes: Excel; 3.08 Ratio; 40-13 Teeth; 8.50 / 8.625 in. Dia. Ring Gear; 1.626 in. Dia. Pinion; 30 Spline; 10 Hole Oval Cover; Front 8.5 in.; Rear 8.5 in;
Position: Front
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

Richmond Gear Differential Ring and Pinion - Rear - Excel - 3.08 Ratio - 40-13 Teeth - 8.50 / 8.625 in. Dia. Ring Gear - 1.626 in. Dia. Pinion - 30 Spline - 10 Hole Oval Cover - Front 8.5 in. - Rear 8.5 in;

Click to Enlarge
(Read reviews)
Sale Price: $153.07

Out of Stock
Part Number: 4657-03621691
Notes: Excel; 3.08 Ratio; 40-13 Teeth; 8.50 / 8.625 in. Dia. Ring Gear; 1.626 in. Dia. Pinion; 30 Spline; 10 Hole Oval Cover; Front 8.5 in.; Rear 8.5 in;
Position: Rear
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1980 Pontiac Firebird 3.8L V6 
• 1980 Pontiac Firebird 4.9L V8 
• 1980 Pontiac Firebird 5.0L V8 

5 stars - (2 Reviews)
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