1978 PONTIAC FIREBIRD Transmission & Drivetrain

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 )

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Seal, Nitrile Rubber, Red, 1.50 in. Shaft, Each

Part Number: FWB-SS2569

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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 14, 2025 if ordered today

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

Part Number: HAY-85-112

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Oct 17, 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 13, 2025 if ordered today

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Gear, Ring and Pinion, 4.88:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.500 in. Ring Gear, GM 8.5/8.6 in., Set

Part Number: YGA-24162

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U-Joint, Spicer 1310, Greasable, Steel, Each

Part Number: YGA-42008

5.0 out of 5 stars ( 3 )

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

Part Number: TCI-GSK321500

5.0 out of 5 stars ( 1 )

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

Part Number: PWT-LS201028

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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 )

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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 )

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Automatic Transmission Kickdown Cable, Hi-Tech, Black Vinyl, Natural Aluminum Fittings, GM, TH350, Kit

Part Number: LOK-KD-2350TPU

5.0 out of 5 stars ( 2 )

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Throwout Bearing, Diaphragm, 1.125 in. Shaft Diameter, Chevy, Buick, GMC, Each

Part Number: ACL-RB466

5.0 out of 5 stars ( 1 )

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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 )

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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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Switch - Neutral/Backup

Part Number: SMP-NS15

5.0 out of 5 stars ( 3 )

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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 13, 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: Dec 26, 2025 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 14, 2025 if ordered today

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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 17, 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: Tomorrow

Tapered roller bearing set (bearing and race)

Part Number: SKF-BR2

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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 20, 2025 if ordered today

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Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6903221

4.0 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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