1978 PONTIAC FIREBIRD Transmission & Drivetrain

Yukon Mechanics 3R Lifetime Series U/Joint. 2.556" span ring span, 1.125" cap diameter. Inside snap ring.

Part Number: YGA-42020

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Manual Transmission Bearing and Seal Overhaul Kit, Manual Transmission Bearing and Seal Overhaul Kit

Part Number: SPZ-ZMBK115AWS

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Estimated Ship Date: Oct 22, 2025 if ordered today

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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 27, 2025 if ordered today

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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 23, 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 6, 2025 if ordered today

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Spacer, Replacement, Active Spacer, Each

Part Number: PWT-624004SDG2

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Estimated Ship Date: Oct 28, 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: Today

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 27, 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 22, 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: Today

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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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: Today

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 27, 2025 if ordered today

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Ring and Pinion-GM 8.5/8.625

Part Number: MGR-GM10-373A

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Estimated Ship Date: Oct 27, 2025 if ordered today

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CLUTCH BELLCRANK ASSEMBLY, 70-

Part Number: GMK-4021951706S

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Estimated Ship Date: Feb 2, 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: Today

CLUTCH KIT

Part Number: SXR-K1675-10

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Estimated Ship Date: Oct 29, 2025 if ordered today

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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 6, 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: Today

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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Gear, Ring and Pinion, 5.13:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885513

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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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 27, 2025 if ordered today

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Clutch Guide, Dura Grip, Chrysler 9.25 in., GM 8.5 in., 8.6 in., 8.875 in., Each

Part Number: YGA-33352

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

Part Number: BTM-4770812

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Gear, Ring and Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., 3 Series, Set

Part Number: MGR-G875342

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 27, 2025 if ordered today

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