1978 PONTIAC FIREBIRD Transmission & Drivetrain

Torque Converter, Nitrous Holeshot, 2,300-2,500 rpm Stall Range, THM350/THM400, Each

Part Number: BMM-20480

4.0 out of 5 stars ( 12 )

Estimated Ship Date: Monday 10/6/2025

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Clutch Kit, Super StreetPro, 1.125 in. - 10-spline, Organic/Ceramic Disc, 12.00 in. Disc Diameter, Pressure Plate, Buick, Chevy, Olds, Pontiac, Kit

Part Number: MCL-75228

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/6/2025

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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: Monday 10/6/2025

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Ring and Pinion Installation Kit, Rear, GM 8.5 in., 10-Bolt, GM, Kit

Part Number: ETN-K-GM8-5SR

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/6/2025

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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: Monday 10/6/2025

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: Monday 10/6/2025

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Differential Carrier, Positraction, Nodular Iron, GM 7.5/7.6 in., 26 Spline, 3.23 Up Ratio, Each

Part Number: SUM-730958

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/6/2025

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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: Monday 10/6/2025

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Gear, Ring and Pinion, 4.11:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.500 in. Ring Gear, GM 8.5/8.6 in., Set

Part Number: YGA-24160

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/6/2025

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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: Monday 10/6/2025

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Differential Carrier, Positraction, Nodular Iron, GM 8.5 in., 28 Spline, 2.73 Up Ratio, Each

Part Number: SUM-730966

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/6/2025

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Gear, Ring and Pinion, EXCel, 3.42:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: RMG-GM85342

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/6/2025

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Manual Shifter, Competition, Plus, Borg Warner T-10/Muncie, M-21, Chevy, Pontiac, Each

Part Number: HUU-3918791

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/6/2025

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Clutch Kit, Concept 10.5 Dual-Disc Clutch, 1.125 in. - 26-spline, Metallic Disc, Pressure Plate, Chevy, Small Block, Kit

Part Number: RAM-50-2125N

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Bearing, Pinion, 1.625 in. Inside Diameter, Each

Part Number: TMK-M802048

4.66 out of 5 stars ( 29 )

Estimated Ship Date: Monday 10/6/2025

Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: RMG-GM85373

4.09 out of 5 stars ( 11 )

Estimated Ship Date: Monday 10/6/2025

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Gear, Ring and Pinion, 4.10:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901651

4.6 out of 5 stars ( 10 )

Estimated Ship Date: Monday 10/6/2025

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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: Monday 10/6/2025

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Axle C-Clip, Steel, Natural, Each

Part Number: YGA-33083

4.89 out of 5 stars ( 38 )

Estimated Ship Date: Monday 10/6/2025

Transmission Dipstick, Braided Stainless Steel, Natural, Firewall Mount, TH350, TH400, Each

Part Number: LOK-TD350400FM36

4.79 out of 5 stars ( 38 )

Estimated Ship Date: Monday 10/6/2025

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Manual Shifter, Indy 3-Speed, GM/Ford/Mopar, Each

Part Number: HUU-5010002

4.05 out of 5 stars ( 22 )

Estimated Ship Date: Monday 10/6/2025

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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: Monday 10/6/2025

Automatic Shifter, Megashifter, Chevy, Pontiac, Each

Part Number: BMM-80694

4.4 out of 5 stars ( 25 )

Estimated Ship Date: Monday 10/6/2025

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Bellhousing, Chevy to Muncie/BW T-10/Saginaw, Steel, Each

Part Number: LAK-77-150

4.71 out of 5 stars ( 14 )

Estimated Ship Date: Monday 10/6/2025

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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: Monday 10/6/2025

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