1978 PONTIAC FIREBIRD Transmission & Drivetrain

Ring and Pinion Gear, 4.56:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36218

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Neutral Safety Switch, Manual, Chevy, Pontiac, Each

Part Number: AWW-03983965

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

Gear, Ring and Pinion, 3.08:1 Ratio, GM, 8.5 in/8.6 in., Set

Part Number: MGR-GM10-308

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Flywheel Fasteners, 12-point, 7/16-20 in. Thread, Steel, Black, AMC, Ford, GM, Set of 6

Part Number: RNB-14557

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Pressure Plate, Heavy-Duty, Diaphragm-Style, 10.472 in. Disc, Diameter, AMC, Buick, Chevy, Pontiac, Each

Part Number: ACL-GM012

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Estimated Ship Date: Sep 5, 2025 if ordered today

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Ring and Pinion Installation Kit, GM, 10-Bolt, 8.5 in. Diameter Ring Gear, 30-Spline Pinion, Kit

Part Number: RMG-831021B

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

Differential Cover Bolt, Hex-flange Head, Steel, Black, GM, 8mm x 1.25 in., Each

Part Number: YGA-33572

5.0 out of 5 stars ( 1 )

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Differential Shims, Carrier, Steel, GM, 8.5 in., 8.625 in., Kit

Part Number: MGR-GM10MSK

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Bushing, Pilot, Bronze, Buick, Olds, Pontiac, Jeep, Eagle, Chevy, GMC, Each

Part Number: SKF-B656

3.0 out of 5 stars ( 2 )

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Gear, Ring and Pinion, 4.30:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: MGR-GM10-430

1.0 out of 5 stars ( 1 )

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U-Joint, Lifetime Series, Spicer 1350 Style, Steel, AMC, Buick, Cadillac, Chevy, Chrysler, Dodge, Ford, GMC, Jeep, Mercury, Olds, Pontiac, Each

Part Number: YGA-42021

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Clutch Kit, 10.500 in. Diameter, Heavy Duty, 6-Pad, Race, Buick, Chevy, Kit

Part Number: ACL-GM3-HDG6

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Estimated Ship Date: Sep 5, 2025 if ordered today

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USA Standard Master Overhaul kit GM 8.5 in., Rear, Kit

Part Number: SPZ-37057

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Pinion Nut, Steel, Each

Part Number: YGA-33152

5.0 out of 5 stars ( 2 )

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Flexplate, 168 Tooth, Internal Balance, 2-Piece Rear Main Seal, Steel, Chevy, Each

Part Number: QTI-RM-902

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Estimated Ship Date: Sep 4, 2025 if ordered today

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Gear, Ring and Pinion, 2.73:1 Ratio, GM 8.5 in., Set

Part Number: RNB-697-812

4.0 out of 5 stars ( 1 )

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Wheel Bearing, Tapered, Outer, Each

Part Number: NTL-A2

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

Torque Converter, Holeshot, 2,800-3,200 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20413

3.4 out of 5 stars ( 5 )

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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

Seal, Automatic Transmission Selector Shaft, Each

Part Number: TMK-8792S

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

Spider Gears, Open, Front or Rear, Internal Kit, Side Gears, Cross Pin and Bolt, GM, 8.5 in., 28 Spline, Kit

Part Number: YGA-16054

4.0 out of 5 stars ( 4 )

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

Part Number: RNB-697-719

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Flywheel, Steel, 166-Tooth, 30 lb., Internal Engine Balance, Pontiac, V8, Each

Part Number: HAY-13-130

4.56 out of 5 stars ( 9 )

Estimated Ship Date: Sep 9, 2025 if ordered today

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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: Today

Gear, Ring and Pinion, 4.11:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: MGR-GM10-411

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Today

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