1978 PONTIAC FIREBIRD Transmission & Drivetrain

Valve Body Gasket, Full Manual, Reverse Pattern, Fiber, TH350, Transbrake Equipped, Kit

Part Number: TCI-GSK321500

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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: Aug 11, 2025 if ordered today

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Differential Inner Gear Kit; GM 8.5 - 30 Spline, Open Diff

Part Number: SVL-10020478

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Estimated Ship Date: Aug 8, 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: Aug 12, 2025 if ordered today

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Crush Sleeve, Steel, 0.625 in. Tall, Each

Part Number: YGA-33110

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Estimated Ship Date: Today

Axle Shaft, Rear, C-Clip, 1541H Alloy, 28 Spline, 30.125 in. Length, GM 8.2/8.5 in., Chevy, Each

Part Number: YGA-21244

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Estimated Ship Date: Aug 27, 2025 if ordered today

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Mini Spool; Differential Pinion Shim; Fits Ford 7.5 in./Ford 8.8 in./GM 8.5 in.

Part Number: RMG-16-0090-1

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Pinion Yoke, Bolt-On, Steel, 3RS44 Series, 30-Spline, GM 8.5, Kit

Part Number: RMG-96-2520K

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

Part Number: FWB-SS2468

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Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit

Part Number: MGR-R10RTPK

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Estimated Ship Date: Aug 15, 2025 if ordered today

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Clutch guide for GM 7.5" & 7.6" Yukon Dura Grip

Part Number: YGA-33251

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Estimated Ship Date: Aug 27, 2025 if ordered today

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Spider Gear Kit, Open, 26 Spline, Rear, GM 7.5 in., GM 7.6 in., Kit

Part Number: YGA-16048

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Aug 27, 2025 if ordered today

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Ring Gear Spacer, 0.200 in. Thick, 10-bolt, GM 8.5 in., Each

Part Number: MGR-085050

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Aug 15, 2025 if ordered today

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CLUTCH KIT

Part Number: SXR-K1675-10

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Estimated Ship Date: Aug 18, 2025 if ordered today

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Differential Spool Bearing Kit; Fits GM 8.5 in. 10 Bolt; Incl. Bearings/Bearing Races

Part Number: RMG-29-0013-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 14, 2025 if ordered today

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Axle Bearings, Cylindrical, Roller Bearing, Each

Part Number: SKF-R1563

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Estimated Ship Date: Aug 18, 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: Today

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Ring and Pinion Gear Installation Kit, Minimum Installation Kit, 30 Spline, GM 8.5 in., Kit

Part Number: YGA-12055

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Aug 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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Estimated Ship Date: Today

7.5" & 8.2" GM REDI sleeve yoke saver

Part Number: YGA-30221

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Estimated Ship Date: Aug 27, 2025 if ordered today

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Yukon Dura Grip case, GM 7.5 & 7.625", 3.23 & up

Part Number: YGA-20106

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Estimated Ship Date: Aug 27, 2025 if ordered today

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Crosspin Shaft, Steel, Each

Part Number: YGA-33404

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Estimated Ship Date: Aug 27, 2025 if ordered today

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Thrust Washer, Open Differential, GM 8.5 in., Each

Part Number: YGA-33304

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 27, 2025 if ordered today

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Differential Carrier Bearings, Tapered Roller, Race, Steel, Each

Part Number: SKF-BR36

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Estimated Ship Date: Aug 18, 2025 if ordered today

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Differential Carrier Bearing, Steel, Each

Part Number: NTL-LM501349

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Today