1978 PONTIAC FIREBIRD Transmission & Drivetrain

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: Monday 10/13/2025

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Clutch Kit, Street 650 Clutch Conversion Kits, Organic, Diaphragm, 1.125 in. Diameter Shaft, 26-Spline, 10.500 in. Diameter Disc, Dodge, Plymouth, Kit

Part Number: HAY-92-1100

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/13/2025

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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: Monday 10/13/2025

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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: Monday 10/13/2025

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

Part Number: MCL-360803

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

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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: Monday 10/13/2025

• Core Charge $75.00
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Gear, Ring and Pinion, 3.08:1 Ratio, GM, 8.5 in/8.6 in., Set

Part Number: MGR-GM10-308

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

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Ring and Pinion Kit

Part Number: RMG-GM75355

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

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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: Monday 10/13/2025

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: Monday 10/13/2025

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: Monday 10/13/2025

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Wheel Bearing Seal, Each

Part Number: TMK-8871

4.82 out of 5 stars ( 22 )

Estimated Ship Date: Monday 10/13/2025

Universal Joint, S44/GM 3RL Style, Greasable, Steel, Each

Part Number: MOG-534G

4.18 out of 5 stars ( 11 )

Estimated Ship Date: Monday 10/13/2025

• $50.00 Summit Bucks

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: Monday 10/13/2025

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Flywheels, OE Replacement, Ductile Iron, 153-tooth, 16 lbs., Internal Engine Balance, Chevy, GMC, Pontiac, Each

Part Number: PFT-50-6516

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/13/2025

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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: Monday 10/13/2025

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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

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Drop Ship
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• Special Order

Transmission Pan, Stock, Steel, Zinc Coated, GM TH350, Each

Part Number: MRG-9765ZMRG

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/13/2025

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: Monday 10/13/2025

Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: RMG-GM85456

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/13/2025

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Hardware, Rear Axle/Transmission Ventilator

Part Number: OER-15771000

4.05 out of 5 stars ( 22 )

Estimated Ship Date: Monday 10/13/2025

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

Part Number: QTI-RM-6013

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

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

Part Number: MCL-360703

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

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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

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/13/2025

Clutch Kit, Street 650 Clutch Conversion Kits, Organic, Diaphragm, 1.125 in. Diameter Shaft, 26-Spline, 11 in. Diameter Disc, Dodge, Plymouth, Kit

Part Number: HAY-92-1102

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/13/2025

• Free Shipping