1980 PONTIAC FIREBIRD Transmission & Drivetrain

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: Today

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Wheel Bearing, GM Genuine Part, for use on Honda®, AMC, Buick, Cadillac, Chevy, Dodge, Ford, GMC, Isuzu, Jeep, Mercury, Olds, Plymouth, Pontiac, Each

Part Number: ADO-5707

Not Yet Reviewed

Estimated Ship Date: Today

• $20 Summit Bucks

Transmission Dipstick, Steel, Chrome, TH350, Each

Part Number: MRG-9764

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

Differential Side Bearing Spacer; Differential Carrier Shims; For Ford 7.5 in./GM 7.5 in./GM 8.5 in./GM 8.2 in

Part Number: RMG-3800061

4.53 out of 5 stars ( 15 )

Estimated Ship Date: Today

Clutch Kit, Organic, 1 1/8 in.- 10-Spline, 10.4 in. Disc, Oldsmobile, Chevy, Pontiac, Kit

Part Number: ZZZ-30005

4.33 out of 5 stars ( 9 )

Estimated Ship Date: Feb 23, 2026 if ordered today

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Axle C-Clips, One kit Per Axle, Steel, GM, Assortment 1 Thick,1 thin, Kit

Part Number: RNB-81050

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Today

U-Joint, Spicer 1310, Steel, Each

Part Number: YGA-42003

3.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

Yokes, Slip Yokes, 26-spline Inner, Steel, 6.460 in. Overall Length, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: RNB-697-557

Not Yet Reviewed

Estimated Ship Date: Today

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Flywheel Fasteners, 12-point, 7/16-20 in. Thread, Steel, Black, Buick, Cadillac, Chevy, Ford, Jeep, Set of 6

Part Number: RNB-74070

3.88 out of 5 stars ( 8 )

Estimated Ship Date: Today

Combo, Hurst, Shifter, Competition Plus, Installation Kit, Chevy, Pontiac, Super T-10, Kit

Part Number: CMB-13-0077

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Spool, Full Size, Steel, 28-Spline, 10-Bolt, GM 8.5 in., Each

Part Number: MGR-FS10-28

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Differential Cover Bolt, Hex-flange Head, Steel, Black, GM, 8mm x 1.25 in., Each

Part Number: YGA-33572

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Ring and Pinion Gear, 4.11:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36216

Not Yet Reviewed

Estimated Ship Date: Today

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Ring Gear Bolt, Hex Head, 7/16-20 in. Thread Size, Steel, Black, Each

Part Number: YGA-33049

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Carrier Shims, Super, Steel, Kit

Part Number: YGA-55001

4.87 out of 5 stars ( 15 )

Estimated Ship Date: Today

Clutch Pilot Bushing, Solid, Powdered Metal, Each

Part Number: RNB-14650

3.71 out of 5 stars ( 7 )

Estimated Ship Date: Today

Universal Joint Clamps, Steel, Pair

Part Number: MOG-530-10

4.91 out of 5 stars ( 11 )

Estimated Ship Date: Today

• $20 Summit Bucks

Differential Cover, 10-bolt, Aluminum, Natural, GM 8.2 in., GM 8.5 in., GM 8.6 in., Each

Part Number: BMM-70502

4.76 out of 5 stars ( 33 )

Estimated Ship Date: Today

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Axle Bearing Seal, Rear, Oil Seal, Nitrile, Avanti, Buick, Chevy, Dodge, Ford, Each

Part Number: NTL-8660S

3.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

Manual Transmission and Installation Kit Combo, EasyFit Tremec TKX, 5 Gears, 1.125 in. - 26-spline, 31-spline Output, Crossmember, Chevy, Pontiac, Kit

Part Number: IST-EFKF2CLTKX

Not Yet Reviewed

Estimated Ship Date: Today

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U-Joint, Spicer 1310-1330 Style, Steel, Each

Part Number: YGA-42005

Not Yet Reviewed

Estimated Ship Date: Today

Clutch Kit, 5/6-Speed Conversion, Organic, 1 .125 in.-26-Spline, 10.5 in. Diameter Disc, Buick, Checker, Chevy, GMC, Pontiac, Oldsmobile, Kit

Part Number: HAY-83-1100

Not Yet Reviewed

Estimated Ship Date: Dec 16, 2025 if ordered today

• Drop Ship
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• Special Order

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

Part Number: MGR-G885373

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Transmission Modulator Valve, GM, TH350, Each

Part Number: ATP-JX67

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Today

Pilot Bearings and Bushings, Roller Type, Steel Roller Bearing, 0.719 in. Width, 1.100 in. O.D., Buick, Chevy, Eagle, GMC, Jeep, Olds, Pontiac, Each

Part Number: SKF-B657

3.0 out of 5 stars ( 4 )

Estimated Ship Date: Today