1987 PONTIAC FIREBIRD Differential & Rear-End Components

Differential Carrier Gear Kit

Part Number: RMG-XL-4040

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Estimated Ship Date: Oct 15, 2025 if ordered today

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Differential Inner Gear Kit; GM 7.5/7.6 - 26 Spline, Dura Grip Positraction

Part Number: SVL-10003707

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Estimated Ship Date: Oct 10, 2025 if ordered today

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Crosspin Shaft, Steel, Each

Part Number: YGA-33404

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Estimated Ship Date: Oct 27, 2025 if ordered today

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7.5" & 7.625" GM EATON POSI SHIM KIT

Part Number: YGA-16047

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 27, 2025 if ordered today

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Ring and Pinion Kit

Part Number: RMG-XL-1044-1

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Estimated Ship Date: Oct 15, 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: Oct 16, 2025 if ordered today

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

Part Number: YGA-33390

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

RING GEAR BOLT EACH

Part Number: MGR-PB179-2-L

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Estimated Ship Date: Oct 17, 2025 if ordered today

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SPACER,DIFF DRV P/GR BRG

Part Number: ADO-09785792

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COUPLER

Part Number: PWT-1932504CCN

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RP GM 7.5in 7.625in 4.56 MOT

Part Number: MGR-GM7-5-456A

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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: Oct 16, 2025 if ordered today

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WASHER, PINION THRUST

Part Number: MGR-559291

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Estimated Ship Date: Oct 16, 2025 if ordered today

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Differential Ring Gear Spacer, Ring Gear Spacer

Part Number: MGR-075050C

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Estimated Ship Date: Oct 16, 2025 if ordered today

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Axle Shaft Retainer

Part Number: MGR-344171

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Estimated Ship Date: Oct 16, 2025 if ordered today

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Ring and Pinion Gears, Pro Series, 3.90:1 Ratio, GM, 7.5 in., Set

Part Number: MGR-G975390

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Estimated Ship Date: Oct 16, 2025 if ordered today

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Ring and Pinion Kit

Part Number: RMG-GM75355TK

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Estimated Ship Date: Oct 14, 2025 if ordered today

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Differential Ring and Pinion Set

Part Number: RNB-697-304

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Estimated Ship Date: Oct 16, 2025 if ordered today

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R-P Mstr Brng Kit

Part Number: RNB-797-102

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Estimated Ship Date: Oct 16, 2025 if ordered today

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Mini spool for GM 7.5" with 26 spline axles

Part Number: YGA-32228

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Posi spring kit for GM 7.5", with preload plates

Part Number: YGA-33206

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Estimated Ship Date: Oct 27, 2025 if ordered today

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USA Standard Ring & Pinion "thick" gear set for GM 7.5" in a 4.11 ratio

Part Number: SPZ-36200

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 13, 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: Oct 16, 2025 if ordered today

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Ring and Pinion

Part Number: RMG-GM75456TK

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Estimated Ship Date: Oct 15, 2025 if ordered today

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Ring and Pinion Kit

Part Number: RMG-GM75323

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Estimated Ship Date: Oct 15, 2025 if ordered today

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