1978 PONTIAC FIREBIRD Transmission & Drivetrain

Clutch Kit, DFX, Performance, Single Disc, 26-Spline, 1.125 in. Diameter, 11 in. Disc Diameter, Cerametallic, 6-Paddle, Sprung Hub, Kit

Part Number: CTF-315148552

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 1, 2025 if ordered today

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automatic transmission pan fasteners, Pioneer, Steel, Natural, GM, Each

Part Number: PIO-859034

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

FLEXPLATE, BLACK LABEL SPECIAL EDITION, SFI, PONT 326-455, 166T, Neutral Balance

Part Number: PQX-2038970

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Throwout Bearing, 1300 Series, Hydraulic, Bolt-on Design, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: MCL-1327

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Kit Thrust Washers GM TH350

Part Number: TCI-313600

4.67 out of 5 stars ( 6 )

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Gear, Ring and Pinion, 3.23:1 Ratio, GM 8.5 in., Set

Part Number: RNB-697-810

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Differential Cross Shaft, Steel, 0.795 in. Diameter, Each

Part Number: YGA-33401

5.0 out of 5 stars ( 1 )

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Differential Carrier Bearings, Standard Replacement, Includes Cup, 1.625 in. Bore, AMC, GM, Mopar, Jeep, International, Studebaker, Hummer, Each

Part Number: TMK-SET69

5.0 out of 5 stars ( 1 )

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Ring and Pinion

Part Number: MGR-GM75-323

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Ring and Pinion Gears, GM 8.5/8.6 in., 4.88:1 Ratio, 30-spline, Standard, Must Use 2.73:1 or Numerically Higher Ratio Carrier, GM 8.5/8.6 in., Set

Part Number: SVL-2023704

5.0 out of 5 stars ( 1 )

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Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Polished Aluminum Fittings, GM, TH350, Kit

Part Number: LOK-KDP-2350HT

5.0 out of 5 stars ( 2 )

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Flexplate, 153 Tooth, Internal Balance, 2-Piece Rear Main Seal, Steel, Chevy, Each

Part Number: QTI-RM-922

4.2 out of 5 stars ( 5 )

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Performance Mini Spool (GM 8.5 - 30 Spline)

Part Number: SDH-10015388

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Gear, Ring and Pinion, 4.88:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.500 in. Ring Gear, GM 8.5/8.6 in., Set

Part Number: YGA-24162

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Pressure Plate, Diaphragm-Style, 11 in. Disc Diameter, Chevy, GMC/Oldsmobile, Pontiac, Each

Part Number: RAM-402

1.0 out of 5 stars ( 2 )

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Universal Joint, Steel, GM, Mopar, Ford, Isuzu, Jeep, Lincoln, Mercury, Saab, Each

Part Number: ADO-45U0108

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Transmission Filter Extension, Cast Aluminum, for BMM-30280/BMM-30289, Each

Part Number: BMM-30284

5.0 out of 5 stars ( 2 )

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Throwout Bearing Conversion, Hydraulic, Hydramax, Chevrolet, Kit

Part Number: AWR-HMGM40016

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Sprag, Intermediate, Steel, GM, TH350, Each

Part Number: TCI-328910

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1965-83 Buick, Chevy, Pontiac, Olds; Clutch Fork Ball Stud; Each

Part Number: OER-3729000

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Pinion Nut Washer, GM, Each

Part Number: YGA-33167

5.0 out of 5 stars ( 2 )

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Automatic Transmission Kickdown Cable, Black Plastic Jacket, 43.70 in. Length, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: PIO-CA-1981

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Seal, Nitrile Rubber, Red, 1.50 in. Shaft, Each

Part Number: FWB-SS2569

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Torque Converter, Traveler,1,900-2,000 rpm Stall Range, Chevy, TH350, Each

Part Number: BMM-30423

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Clutch Fork, Steel, Black, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: ATP-ZA100

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Today