1978 PONTIAC FIREBIRD Transmission & Drivetrain

Differential Cover, 10-bolt, Steel, Chrome, GM 8.2 in., GM 8.5 in., GM 8.6 in., Each

Part Number: YGA-32017

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Gear, Ring and Pinion, 3.08:1 Ratio, GM, 8.5 in/8.6 in., Set

Part Number: MGR-GM10-308

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Ring and Pinion Kit

Part Number: RMG-GM75355

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Flexplate, Gold Series, 153-Tooth, Internal Engine Balance, 2-Piece Rear Main Seal, SFI 29.1, TH350, Chevy, Small Block, GM V6, Each

Part Number: PQX-1835002

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

U-Joint, Spicer 1350-1410 Style, Steel, Each

Part Number: YGA-42006

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Differential Carrier Bearings, Steel, Races, Shims, Rear, GM 8.2 in., GM 8.5 in., Kit

Part Number: YGA-57008

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Torque Converters, Remanufactured, OEM Style, 1.875 in. Slotted Hub, 3 Pad, 13.0 in. Dia., 1,200 Stall, Avanti, Checker, Excalibur, GM, Jeep, V6, Each

Part Number: CCV-TQBU3

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Core Charge $75.00
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Wheel Bearing Seal, Each

Part Number: TMK-8871

4.82 out of 5 stars ( 22 )

Estimated Ship Date: Today

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

Part Number: MGR-G885488

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Clutch Disc, Dual Friction, 1 1/8 in.- 26-Spline, 10.4 in. Disc, Buick, Chevy, Oldsmobile, Pontiac, V8, Each

Part Number: CTF-DF384161

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Clutch Kit, Force 9.5 Dual Disc, 1.125 in. - 26-spline, Organic Disc, Pressure Plate, Flywheel, Chevy, Small Block, Kit

Part Number: RAM-75-2125S

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Universal Joint, Light Duty, S44/GM 3RL, Steel, Buick, Cadillac, Chevy, Chrysler, Ford, Hummer, Isuzu, Jeep

Part Number: SDH-5-3147X

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in./7.625 in., 3 Series, Set

Part Number: MGR-G875410

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Axle, Direct Fit, C-Clip, Rear, 1541H Steel, 30-Spline, GM F-Body, A-Body, 8.5 in., Each

Part Number: MSR-A103003-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Hardware, Rear Axle/Transmission Ventilator

Part Number: OER-15771000

4.05 out of 5 stars ( 22 )

Estimated Ship Date: Today

Pressure Plate, Diaphragm-Style, 10.5 in. Disc Diameter, Buick, Chevy/Ford, GMC/Oldsmobile, Pontiac, Each

Part Number: MCL-360703

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Pilot Bushing, 1.380 in. OD, 0.592 in. ID, 0.352 in. Width, Pontiac, Block, Each

Part Number: MCL-8-1380-1

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

Flexplate, Gold Series, 166-Tooth, Internal Engine Balance, SFI 29.1, TH350, TH400, 700R4, Pontiac, V8, Each

Part Number: PQX-1845501

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Transmission Pan, Deep, Steel, Chrome, GM, TH250, TH350, Each

Part Number: BMM-30289

4.14 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Transmission Bellhousing Spacer, Universal, Bellhousing to Block, Steel, Zinc Plated, 0.375 in Thick, Chevy, Ford Small Block, Each

Part Number: QTI-RM-6013

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Transmission Bracket, Steel, Natural, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: BMM-20462

4.97 out of 5 stars ( 29 )

Estimated Ship Date: Today

Crush Sleeve Eliminator Kit, Steel Spacer, Pinion Shims, GM 7.5 in., GM 7.6 in., GM 8.2 in., Kit

Part Number: YGA-55047

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Today

Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set

Part Number: RMG-GM75456

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Differential Cover, Steel, Chrome, GM, 8.5 in., 10-Bolt, Kit

Part Number: MRG-9891

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Today

Gear, Ring and Pinion, 3.73:1 Ratio, 1.438 in. Pinion, 27 Spline, 7.500 in. Ring Gear, GM 7.5/7.6 in., Set

Part Number: YGA-24146

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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