1977 PONTIAC FIREBIRD Differential & Rear-End Components

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: Aug 4, 2025 if ordered today

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

Part Number: SPZ-36217

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Estimated Ship Date: Jul 21, 2025 if ordered today

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Ring and Pinion Gears, 3.08:1 Ratio, 27-spline, Standard Rotation, GM 7.5 in., GM 7.625 in., Set

Part Number: YGA-24476

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Estimated Ship Date: Aug 4, 2025 if ordered today

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Cross Shaft, Differential, Steel, GM, 10-Bolt, 8.5 in., Each

Part Number: RMG-8002721

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Estimated Ship Date: Jul 22, 2025 if ordered today

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Gear, Ring and Pinion, 4.56:1 Ratio, 1.438 in. Pinion, 27 Spline, 7.500 in. Ring Gear, Series 3 Carrier, GM 7.5/7.6 in., Set

Part Number: YGA-24483

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Estimated Ship Date: Aug 4, 2025 if ordered today

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Differential Carrier Bearings, Pinion Bearings, Rear, Buick, Cadillac, Chevy, GMC, Jeep, Olds, Pontiac, Kit

Part Number: CWA-BKGM10B

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Estimated Ship Date: Sep 24, 2025 if ordered today

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

Part Number: SPZ-36346

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Estimated Ship Date: Jul 21, 2025 if ordered today

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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: Jul 22, 2025 if ordered today

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Thrust Washer, Open Differential, GM 7.5 in./7.6 in., Each

Part Number: YGA-33390

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Thrust Washer, Open Differential, GM 8.5 in., Each

Part Number: YGA-33304

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Estimated Ship Date: Aug 5, 2025 if ordered today

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Differential Carrier Bearing, Steel, Each

Part Number: NTL-LM501349

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Differential Carrier Bearings, Tapered Roller, Race, Steel, Each

Part Number: SKF-BR36

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Estimated Ship Date: Jul 28, 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: Jul 21, 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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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: Jul 21, 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: Jul 21, 2025 if ordered today

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7.5" & 7.625" GM EATON POSI SHIM KIT

Part Number: YGA-16047

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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: Aug 5, 2025 if ordered today

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Axle Bracket, QUADRALink Brackets, 3.0 in. Tube, Steel, Chevrolet, Kit

Part Number: DSR-9304271

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Estimated Ship Date: Jul 24, 2025 if ordered today

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Gear, Ring and Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., 3 Series, Set

Part Number: MGR-G875342

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Estimated Ship Date: Jul 25, 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: Jul 23, 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-36196

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Estimated Ship Date: Jul 21, 2025 if ordered today

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

Part Number: ALY-GM10308

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Estimated Ship Date: Jul 14, 2025 if ordered today

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Ring and Pinion Gear Installation Kit, Bearing Overhaul, 30 Spline, GM 8.5 in., Kit

Part Number: YGA-11067

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Estimated Ship Date: Aug 5, 2025 if ordered today

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Full Size Spool, GM 8.5 in. 10 Bolt, 33 Spline, C-Clip Elim.Req'd., Steel

Part Number: RMG-81-1033-1

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Estimated Ship Date: Jul 22, 2025 if ordered today

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