1978 PONTIAC FIREBIRD Transmission & Drivetrain

Gear, Ring and Pinion, 3.90:1 Ratio, GM 7.5 in., GM 7.625 in., 10-bolt, Set

Part Number: RMG-49-0284-1

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Estimated Ship Date: Aug 18, 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: Sep 3, 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 21, 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

Differential Clutch, Steel Pack, Dura-Grip, Eaton, 18-Plate, GM, 8.875 in., Set

Part Number: YGA-16110

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 3, 2025 if ordered today

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Clutch Kit, Stage 3, Carbon Composite, 6-Paddle/Sprung Hub, Buick, Chevy, Pontiac, Kit

Part Number: SXC-SC203

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Estimated Ship Date: Aug 18, 2025 if ordered today

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System High Flow Filter GM TH350

Part Number: TCI-328505

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Estimated Ship Date: Sep 8, 2025 if ordered today

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Ring and Pinion Gear, 3.90:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36215

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Estimated Ship Date: Aug 18, 2025 if ordered today

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Ring and Pinion Gears, 3.42:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 7.5 in., GM 7.625 in., Set

Part Number: SPZ-36195

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Estimated Ship Date: Today

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Differential Cover, 10-bolt, Steel, Natural, GM 8.2 in., GM 8.5 in., GM 8.6 in., Each

Part Number: YGA-32332

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

Shifter, White Lightning, Short Throw, Billet Aluminum, Magnum T-56, Kit

Part Number: AWR-SHWL20100SR4

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Estimated Ship Date: Sep 25, 2025 if ordered today

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

Part Number: SPZ-36211

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Estimated Ship Date: Aug 18, 2025 if ordered today

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Clutch Kit, Buick Stage 4 Clutch

Part Number: SXC-SC214

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Estimated Ship Date: Aug 18, 2025 if ordered today

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Master Axle Overhaul Bearing Kit; GM 8.5

Part Number: SDH-10024044

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Estimated Ship Date: Aug 29, 2025 if ordered today

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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 19, 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: Sep 3, 2025 if ordered today

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Ball bearing, single row, snap ring, single shield

Part Number: SKF-6207-ZNRJ

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Estimated Ship Date: Aug 21, 2025 if ordered today

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Ring Gear Spacer, GM 7.5 in. Ring Gear, Hardware Included, Each

Part Number: MGR-075050

4.06 out of 5 stars ( 17 )

Estimated Ship Date: Aug 20, 2025 if ordered today

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

Part Number: RAM-980

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Estimated Ship Date: Aug 11, 2025 if ordered today

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Neutral Safety Switch, Neutral Safety and Backup Light Switch Relocation, Metal/Plastic, Chevy, Pontiac, Kit

Part Number: SIW-SW652

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Estimated Ship Date: Aug 12, 2025 if ordered today

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Transmission Filter, Replacement, Each

Part Number: WIX-58894

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

PINION YOKE

Part Number: SDH-10025466

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Estimated Ship Date: Aug 29, 2025 if ordered today

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Gear, Ring and Pinion, 3.73:1 Ratio, GM 8.5/8.625 in., Set

Part Number: RNB-697-301

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Estimated Ship Date: Aug 18, 2025 if ordered today

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Ring and Pinion Gears, GM 7.5/7.6 in., 3.08:1 Ratio, 27-spline, Standard Rotation, GM 7.5/7.6 in., Buick, Chevy, GMC, Hummer, Isuzu, Pontiac, Set

Part Number: SPZ-36193

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Estimated Ship Date: Aug 18, 2025 if ordered today

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Differential Carrier Cases, Extreme Heavy Duty, GM 8.5 in., 28/30 Spline, 2.73 and Up Ratio, Each

Part Number: YGA-20084

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Estimated Ship Date: Sep 3, 2025 if ordered today

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