1978 PONTIAC FIREBIRD Transmission & Drivetrain

Cross Shaft, Differential, Steel, GM, 10-Bolt, 7.5 in., with Mini Spool, Each

Part Number: RMG-CSPGM75

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Pinion depth shim kit for Toyota8", GM 7.5", 8.2" & 12 bolt truck

Part Number: YGA-55064

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Automatic Transmission, Remanufactured, Reverse Shift Pattern, Trans-Brake, Full Manual Valve Body, Chevy, TH350, Each

Part Number: TCI-312500

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 6, 2025 if ordered today

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Clutch Kits, Street 450 Clutch Conversion Kits, 1.125 in. - 10-spline, Single Organic Disc, 11.000 in. Diameter, Buick, Chevy, Olds, Pontiac, Kit

Part Number: HAY-91-1004

2.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Throwout Bearing, Buick, Chevy, GMC, Oldsmobile, Pontiac, L6, V6, V8, Each

Part Number: CTF-N1086

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Throwout Bearing, 1 3/8 in. Shaft Diameter, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: HAY-70-201

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Crush Sleeve, Steel, 0.620 in. Tall, Each

Part Number: YGA-33097

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Gear, Ring and Pinion, 3.08:1 Ratio, GM, 7.5 in., Set

Part Number: MGR-GM75-308

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Sep 17, 2025 if ordered 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

Not Yet Reviewed

Estimated Ship Date: Sep 9, 2025 if ordered today

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Differential Shims, Pinion, Steel, Kit

Part Number: MGR-1104

3.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

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

Part Number: PIO-859034

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Universal Joint Strap Kit, Steel, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Pair

Part Number: ADO-45U0505

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

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

Part Number: RNB-697-719

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Estimated Ship Date: Today

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Automatic Transmission Kickdown Cables

Part Number: PIO-CA-1981

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Estimated Ship Date: Today

Throwout Bearing Conversion, Hydraulic, Hydramax, Chevrolet, Kit

Part Number: AWR-HMGM40016

Not Yet Reviewed

Estimated Ship Date: Oct 24, 2025 if ordered today

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

Part Number: YGA-32121

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Cross Pin, GM, 10-Bolt, 8.5 in. Each

Part Number: MGR-14006401

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Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6903221

4.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

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

Part Number: YGA-33401

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Sprag, Intermediate, Steel, GM, TH350, Each

Part Number: TCI-328910

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Estimated Ship Date: Today

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Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in., Set

Part Number: MGR-GM75-410

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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: Sep 16, 2025 if ordered today

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Performance Mini Spool (GM 8.5 - 30 Spline)

Part Number: SDH-10015388

Not Yet Reviewed

Estimated Ship Date: Today

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Universal Joint, Steel, Buick, Cadillac, Chevrolet, Ford, GMC, Oldsmobile, Pontiac, Each

Part Number: ADO-45U0103

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Estimated Ship Date: Today

• $20.00 Summit Bucks

Differential Carrier Bearing, Races Included, Koyo Bearing, Steel, Set

Part Number: MGR-706016XR

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Estimated Ship Date: Today