1977 PONTIAC FIREBIRD Differential & Rear-End Components

Axle Assemblies, Ford 9 in., Satin Black, 61.25 in. Flange to Flange, 31-Spline Axles, 1541H Alloy, Chevy, Pontiac, Kit

Part Number: ART-11179682

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Estimated Ship Date: Aug 22, 2025 if ordered today

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Axle Assemblies, Ford 9 in., Satin Black, 56 in. Flange to Flange, 31-Spline Axles, 1541H Alloy, Chevy, Pontiac, Kit

Part Number: ART-11179683

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Estimated Ship Date: Aug 22, 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 25, 2025 if ordered today

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Gear, Ring and Pinion, 4.10:1 Ratio, GM 7.5/7.625 in., Set

Part Number: RNB-697-306

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Estimated Ship Date: Aug 25, 2025 if ordered today

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Spartan Differential Locker, GM 8.5 in., 28-spline Axle, Buick, Oldsmobile, Pontiac, Chevy, GMC, Each

Part Number: SPZ-17040

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Sep 8, 2025 if ordered today

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Performance Mini Spool (GM 8.5 - 28 Spline)

Part Number: SDH-10015373

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Estimated Ship Date: Sep 3, 2025 if ordered today

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Axle Assembly, Standard OE Width, Ford 9 in., Black, 1541H Steel, 31 Spline Axles, F-Body, Second Gen, for use with QA1 4-Link, Chevy, Pontiac, Kit

Part Number: QA1-R902S

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Estimated Ship Date: Sep 3, 2025 if ordered today

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Axle 8.2" & 8.5" GM REAR, '68-'81 PASSSHAFT, 30-1/8", 2.780" SMALL HUB, 28spl, 1 SIDE

Part Number: SPZ-11951

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Estimated Ship Date: Aug 21, 2025 if ordered today

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Ring and Pinion Gear Installation Kit, Minimum Install, 27-spline, Standard Rotation, Rear, GM 7.5 in., GM 7.625 in., Kit

Part Number: YGA-12050

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Estimated Ship Date: Sep 5, 2025 if ordered today

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Premium Ring And Pinion Master Bearing And Installation Kit

Part Number: RNB-797-100

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Estimated Ship Date: Aug 25, 2025 if ordered today

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Cross Pin Shaft, Notched, Steel, Rear, GM 7.5 in., GM 7.6 in., Each

Part Number: YGA-33435

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Estimated Ship Date: Sep 5, 2025 if ordered today

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Yukon Dura Grip case, GM 8.5" & 8.6", 2.73 & up

Part Number: YGA-20107

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Estimated Ship Date: Sep 5, 2025 if ordered today

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Ring and Pinion Gears, 3.23:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 7.5 in., GM 7.625 in., Set

Part Number: SPZ-36194

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Estimated Ship Date: Aug 22, 2025 if ordered today

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Performance Mini Spool (GM 7.5 - 26 Spine)

Part Number: SDH-10015364

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Estimated Ship Date: Sep 3, 2025 if ordered today

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Crosspin, Replacement, Steel, Spartan, GM 8.5 in., Each

Part Number: SPZ-17024

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Estimated Ship Date: Aug 21, 2025 if ordered today

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Differential Ring and Pinion; GM 7.5 - 2.73 Ratio

Part Number: SVL-10004593

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Estimated Ship Date: Aug 18, 2025 if ordered today

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Cross Shaft, Differential, Steel, GM 8.5 in., with Mini-Spool, Each

Part Number: YGA-32238

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Estimated Ship Date: Sep 5, 2025 if ordered today

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Differential Cover, 10-bolt, Steel, Natural, GM 7.5 in., GM 7.625 in., Each

Part Number: YGA-32331

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Estimated Ship Date: Sep 5, 2025 if ordered today

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Axle Shaft Retainer

Part Number: MGR-3833322

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Estimated Ship Date: Aug 25, 2025 if ordered today

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WASHER, PINION THRUST

Part Number: MGR-559291

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Estimated Ship Date: Aug 25, 2025 if ordered today

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Axle Shaft Retainer

Part Number: MGR-344171

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Estimated Ship Date: Aug 25, 2025 if ordered today

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Gear, Ring and Pinion, 3.08:1 Ratio, GM, 7.5 in., Set

Part Number: MGR-GM75-308

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Aug 25, 2025 if ordered today

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

Part Number: MGR-GM75-456

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Estimated Ship Date: Aug 25, 2025 if ordered today

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Ring and Pinion-GM 8.5/8.625

Part Number: MGR-GM10-308A

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Estimated Ship Date: Aug 25, 2025 if ordered today

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

Part Number: MGR-G875342X

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Estimated Ship Date: Aug 25, 2025 if ordered today

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