1978 PONTIAC FIREBIRD Transmission & Drivetrain

Pinion Nut, Steel, Each

Part Number: MGR-1260823

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

Axle Shaft, Rear, C-clip Type, 28-spline Inner, Steel, 30.000 in. Length, GM 8.5 in., Chevy, Pontiac, Each

Part Number: RNB-630-141

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Carrier Shims, Ford 8.8 in., GM 12-Bolt Truck, GM 9.3 in. C-Axle, Kit

Part Number: RMG-3800071

4.13 out of 5 stars ( 8 )

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Pilot Bushing and Bearings, Stock, Solid, Powdered Metal, Set of 5

Part Number: RNB-690-023

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Hydraulic Clutch , Hydramax Hydraulic Clutch pedal kit for 1970-81 GM F-body Camaro/Firebird

Part Number: AWR-CAGM40012

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Estimated Ship Date: Dec 5, 2025 if ordered today

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Ring and Pinion Gears, 3.73:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 7.5 in., GM 7.625 in., Set

Part Number: SPZ-36197

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 27, 2025 if ordered today

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Ring & Pinion Gear Set GM 7.5" / 3.23 Ratio

Part Number: SVL-2020639

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Estimated Ship Date: Oct 21, 2025 if ordered today

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Differential, Grip LS Traction System, 28-Spline, GM, 8.5 in., Each

Part Number: PWT-LS201028

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Yokes, Slip Yokes, 26-spline Inner, Steel, 6.460 in. Overall Length, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: RNB-697-557

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Ring and Pinion Gears and Installation Kit, 8.5" GM 3.73 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12622

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Clutch Kit, High Performance, 1.125 in. 26-Spline, 10.40 in., Chevy, Pontiac, Camaro, Firebird, 5.0/5.7L, Kit

Part Number: ZZZ-30009

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Tapered roller bearing set (bearing and race)

Part Number: SKF-BR2

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Clutch Disc, Organic, 1 1/8 in. Diameter Shaft, 26-Spline, 11 in. Diameter Disc, Chevy, GMC/Pontiac, Each

Part Number: RAM-310

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Estimated Ship Date: Oct 22, 2025 if ordered today

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Bellcrank Seals, Clutch Linkage Components, Felt, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: AMD-W-686B

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Gear, Ring and Pinion, 2.73:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885273

5.0 out of 5 stars ( 1 )

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

Part Number: MGR-G885308

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 30, 2025 if ordered today

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MASTER SHIM KIT GM 7.5

Part Number: MGR-GM7-5MSK

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

Part Number: RMG-96-2520

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Clutch Kit, Ceramic, 1 1/8 in. Diameter Shaft, 10-Spline, 11 in. Diameter Disc, Kit

Part Number: ZZZ-30015

3.5 out of 5 stars ( 4 )

Estimated Ship Date: Jan 5, 2026 if ordered today

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

Part Number: QTI-RM-901

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 27, 2025 if ordered today

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Differential Cross Shaft, Steel, 0.795 in. Diameter, Each

Part Number: YGA-33401

5.0 out of 5 stars ( 1 )

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Torque Converters, Twister Full Race, 4,200-4,500 rpm Stall Speed Range, 30-spline, 9.60 in. Diameter, 10.750 in. Bolt Circle, THM350, Chevy, Each

Part Number: HAY-97-1B42F

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Estimated Ship Date: Oct 29, 2025 if ordered today

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Ring and Pinion Kit

Part Number: RMG-GM75355TK

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Estimated Ship Date: Oct 29, 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

Automatic Transmission Kickdown Cable, Black Plastic Jacket, 43.70 in. Length, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: PIO-CA-1981

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