1978 PONTIAC FIREBIRD Transmission & Drivetrain

SUPER KIT

Part Number: PIO-753026

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 5, 2025 if ordered today

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Wheel Bearings, Tapered Roller, Steel, 1.313 in. Inside Diameter, 2.687 in. Outside Diameter, Each

Part Number: FWB-DB0669

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Estimated Ship Date: Monday 10/20/2025

Ring and Pinion-GM 8.5/8.625

Part Number: MGR-GM10-373A

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Wheel Bearings, Premium Low Drag, Steel Roller Bearing, Bearing Races, Front, Rear, Kit

Part Number: DPR-007105812BR

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Estimated Ship Date: Monday 10/20/2025

Differential Cover, 10-bolt, Steel, Chrome, GM 7.5 in., GM 7.625 in., Each

Part Number: YGA-32014

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/20/2025

Ring and Pinion Gears, GM 8.5/8.6 in., 4.88:1 Ratio, 30-spline, Standard, Must Use 2.73:1 or Numerically Higher Ratio Carrier, GM 8.5/8.6 in., Set

Part Number: SVL-2023704

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/20/2025

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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: Nov 10, 2025 if ordered today

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Differential Clutch, Steel Pack, Rear, Posi, GM, 8.875 in., Set

Part Number: YGA-16041

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Kit Thrust Washers GM TH350

Part Number: TCI-313600

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/20/2025

Flexplate, 153 Tooth, Internal Balance, 2-Piece Rear Main Seal, Steel, Chevy, Each

Part Number: QTI-RM-922

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/20/2025

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Clutch Kit, 450 Street, 11 in. Disc, 26 Spline, 1.125 in. Input Diameter, Diaphragm, GM, Kit

Part Number: HAY-91-1102

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Clutch Kit, Dual Friction, 1 1/8 in. Diameter Shaft, 26-Spline, 10.4 in. Diameter Disc, GM, Kit

Part Number: CTF-DF161675

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 10/20/2025

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Clutch Fork, Steel, Black, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: ATP-ZA100

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Monday 10/20/2025

Throwout Bearing, 1300 Series, Hydraulic, Bolt-on Design, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: MCL-1327

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Estimated Ship Date: Monday 10/20/2025

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

Part Number: MGR-706016XR

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Estimated Ship Date: Monday 10/20/2025

Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Polished Aluminum Fittings, GM, TH350, Kit

Part Number: LOK-KDP-2350HT

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/20/2025

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

Part Number: RAM-402

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/20/2025

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Differential Carrier Bearings, Standard Replacement, Includes Cup, 1.625 in. Bore, AMC, GM, Mopar, Jeep, International, Studebaker, Hummer, Each

Part Number: TMK-SET69

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/20/2025

Gear, Ring and Pinion, 3.23:1 Ratio, GM 8.5 in., Set

Part Number: RNB-697-810

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Estimated Ship Date: Monday 10/20/2025

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

Part Number: PIO-859034

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/20/2025

Ring and Pinion Gears, 4.30:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 7.5 in., Set

Part Number: YGA-24482

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Ring & Pinion Gear, 5.38 Ratio, GM, 8.5 in./8.6 in., Set

Part Number: YGA-24494

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Estimated Ship Date: Nov 18, 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: Monday 10/20/2025

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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: Monday 10/20/2025

Differential, No-Slip Traction System, 28-Spline, GM, 8.5 in., Each

Part Number: PWT-9207852805

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/20/2025

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