1978 PONTIAC FIREBIRD Transmission & Drivetrain

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

Part Number: MGR-GM75-410

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Estimated Ship Date: Monday 10/13/2025

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Torque Converter, Nitrous Holeshot,3.400 3,800 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20482

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 27, 2025 if ordered today

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Cross Pin Shaft, Notched, Steel, Rear, GM 7.5 in., GM 7.6 in., Each

Part Number: YGA-33435

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Differential Cover Bolt, Steel, Black, Hex Head, 0.500 in. Wrench Size, Dana 25, 27, 30, 44, Model 35, GM 7.5 in., GM 8.2 in., Each

Part Number: YGA-33286

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Estimated Ship Date: Monday 10/13/2025

Spacer, Replacement, Active Spacer, Each

Part Number: PWT-624004SDG2

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Pressure Plate, LMC, Diaphragm-Style, 10.4 in. Disc Diameter, Each

Part Number: CTF-LM361675

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 29, 2025 if ordered today

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USA Standard Gear standard spider gear set for GM 8.5", 30 spline

Part Number: SPZ-39027

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Servo Sealing Rings, GM, TH350, Kit

Part Number: TCI-313800

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/13/2025

Torque Converters, Twister 3/4 Race, 1.703 in. Crank Pilot Diameter, 30-spline, 9.600 in. Diameter, TH350, 2,800 rpm Advertised Flash Stall, Each

Part Number: HAY-97-1B28Q

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Estimated Ship Date: Monday 10/13/2025

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U-Joint Straps, Mechanics 3R Style, Differential Location, GM 7.5 in., GM 7.625 in., GM 8.5 in., Each

Part Number: YGA-41201

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/13/2025

Spool, Full Size, Steel, 30-Spline, 10-Bolt, GM 8.5 in., Each

Part Number: RMG-81-1030-1

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Estimated Ship Date: Oct 29, 2025 if ordered today

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Clutch Kit, DFX, Performance, Single Disc, 10-Spline, 1.125 in. Diameter, 10.400 in. Disc Diameter, Cerametallic, 6-Paddle, Sprung Hub, Kit

Part Number: CTF-315271739

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Estimated Ship Date: Oct 28, 2025 if ordered today

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Hydraulic Clutch Kit 1970 1981 Camaro Firebird with Tremec Magnum

Part Number: IST-HGF2MAG

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Estimated Ship Date: Oct 30, 2025 if ordered today

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Clutch Kit, DFX, Performance, Single DIsc, 26-Spline, 1.125 in. Diameter, 10.400 in. Disc Diameter, Cerametallic, 6-Paddle, Sprung Hub, Kit

Part Number: CTF-315161739

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Estimated Ship Date: Oct 29, 2025 if ordered today

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FLYWHEEL SHIM .050

Part Number: PIO-FWS-28

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/13/2025

CLUTCH BELLCRANK ASSEMBLY, 70-

Part Number: GMK-4021951706S

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Estimated Ship Date: Feb 4, 2026 if ordered today

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Axle Seal, Rear, 1.399 shaft, Various Makes 64-09, each

Part Number: FWB-SS2468

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Estimated Ship Date: Monday 10/13/2025

Detent Cable, 37 in. Length, Buick, Oldsmobile, Pontiac, Each

Part Number: ATP-Y-1326

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 27, 2025 if ordered today

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Cross Shaft Pin, Mini Spool, GM, 8.5 in., 28-Spline, Each

Part Number: RMG-CSPGM85

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/13/2025

Ring and Pinion Gears, 4.11:1 Ratio, GM 7.50 in./7.625 in., Set

Part Number: YGA-24147

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 11, 2025 if ordered today

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Clutch Kits, Street 450 Clutch Conversion Kits, Performance, 1.125 in. - 26-spline, Organic Disc, Pressure Plate, Buick, Chevy, Olds, Pontiac, Kit

Part Number: HAY-91-1005

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Estimated Ship Date: Monday 10/13/2025

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Hays Street 450 Clutch 10.5" 70-84 Chevy/Pontiac/Olds V8, 26-spline, Kit

Part Number: HAY-91-1003

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Estimated Ship Date: Oct 29, 2025 if ordered today

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CLUTCH MASTER CYLINDER KIT WITH PLASTIC RESERVOIR, 70-81 CAMARO / FIREBIRD

Part Number: BTM-4770812

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Estimated Ship Date: Monday 10/13/2025

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Gear, Ring and Pinion, 4.56:1 Ratio, GM, 7.5 in./7.625 in., 3 Series, Set

Part Number: MGR-G875456

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Estimated Ship Date: Oct 30, 2025 if ordered today

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CLUTCH KIT

Part Number: SXR-K1877-04

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Estimated Ship Date: Nov 3, 2025 if ordered today

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