1980 PONTIAC FIREBIRD Transmission & Drivetrain

Ring and Pinion Gear, 3.73:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36214

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Tuesday 9/2/2025

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Differential, Eaton Detroit Truetrac, 26-Spline, GM, 7.5 in., 3:08 and Down, Each

Part Number: ETN-911A415

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tuesday 9/2/2025

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Axle C-Clip, Steel, Natural, Each

Part Number: YGA-33083

4.89 out of 5 stars ( 37 )

Estimated Ship Date: Tuesday 9/2/2025

Clutch Master Cylinder, Hydramax, Cast Aluminum, Black, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: AWR-HMGM30001SR

2.88 out of 5 stars ( 8 )

Estimated Ship Date: Tuesday 9/2/2025

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Wheel Bearing, Front Outer, Each

Part Number: TMK-SET3

4.64 out of 5 stars ( 25 )

Estimated Ship Date: Tuesday 9/2/2025

Ring and Pinion Gears, GM 7.5/7.625 in., 4.10:1 Ratio, 27-spline, Standard Rotation, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Olds, Pontiac, Set

Part Number: MGR-GM7-5-410A

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tuesday 9/2/2025

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Clutch Fork Pivot Ball, Adjustable, Steel, Chevy, Pontiac, Oldsmobile, Each

Part Number: SUM-700110

4.12 out of 5 stars ( 33 )

Estimated Ship Date: Tuesday 9/2/2025

Sfifter Cable, Automatic Transmission, 32 in. Eyelet/Eyelet, Gray, Each

Part Number: SIW-K100-32

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Tuesday 9/2/2025

Differential Carrier, Positraction, Nodular Iron, GM 7.5/7.6 in., 28 Spline, 3.23 Up Ratio, Each

Part Number: SUM-730960

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

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Shifter Conversion Kit, Shifter Cable Bracket, Chevy, Pontiac, Kit

Part Number: SIW-SC2262

4.69 out of 5 stars ( 13 )

Estimated Ship Date: Tuesday 9/2/2025

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Flexplate, 168-Tooth, Steel, Internal Balance, 2-Piece Rear Main Seal, SFI 29.1, Chevy, Each

Part Number: PIO-871001

4.31 out of 5 stars ( 16 )

Estimated Ship Date: Tuesday 9/2/2025

Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set

Part Number: RMG-GM75373OE

4.0 out of 5 stars ( 6 )

Estimated Ship Date: Tuesday 9/2/2025

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Flexplate, Gold Series, 168-Tooth, Internal Engine Balance, 2-Piece Rear Main Seal, SFI 29.1, TH350, TH400, TH700-R4, Chevy, Small Block, GM V6, Each

Part Number: PQX-1835001

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tuesday 9/2/2025

Flywheels, OE Replacement, Ductile Iron, 168-tooth, Internal Engine Balance, Chevy, GMC, Pontiac, Each

Part Number: PFT-50-6504

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tuesday 9/2/2025

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Throwout Bearing, 1.375 in. Inside Diameter, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: MCL-16010

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Tuesday 9/2/2025

Gear, Ring and Pinion, 3.23:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900191

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Tuesday 9/2/2025

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Bearing, Pinion, 1.625 in. Inside Diameter, Each

Part Number: TMK-M802048

4.64 out of 5 stars ( 28 )

Estimated Ship Date: Tuesday 9/2/2025

Pinion Bearing Spacer, Crush Sleeve Eliminator, Steel, Chrysler 9.25 in., GM 8.5 in., Each

Part Number: YGA-55048

4.84 out of 5 stars ( 25 )

Estimated Ship Date: Tuesday 9/2/2025

Clutch Master Cylinder, Firewall Kit Only, Adjustable, Cast Aluminum, Black, -4 AN Connection, Chevy, Kit

Part Number: MCL-1434005

2.67 out of 5 stars ( 6 )

Estimated Ship Date: Tuesday 9/2/2025

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Axle Shafts, Direct Fit, Rear, 1541H Manganese, Chevy, GMC, Pontiac, 28-Spline, 30.12 Length, Kit

Part Number: MGR-MG22101

4.9 out of 5 stars ( 20 )

Estimated Ship Date: Tuesday 9/2/2025

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Clutch Kit, Street Level, Organic, 1 1/8 in. Diameter Shaft, 10-Spline, 10.5 in. Diameter Disc, Chevy, Kit

Part Number: MCL-75017

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

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Automatic Transmission Pan, Deep, Aluminum, Natural, GM, TH350, Each

Part Number: TCI-328000

4.63 out of 5 stars ( 19 )

Estimated Ship Date: Tuesday 9/2/2025

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Ring and Pinion Gear Installation Kit, Master Overhaul, 28-Spline, GM 8.5 in., Kit

Part Number: YGA-14086

4.64 out of 5 stars ( 11 )

Estimated Ship Date: Tuesday 9/2/2025

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Axle Bearing, 1.402 in. Bore, 2.252 in. O.D., 0.698 in. Width, Rear, AMC, Chevy, GMC, Chrysler, Ford, Each

Part Number: TMK-5707

4.72 out of 5 stars ( 18 )

Estimated Ship Date: Tuesday 9/2/2025

Flexplate, Chevy, Heavy Duty, 168- Tooth, Each

Part Number: PIO-FRA-100HD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025