PONTIAC FIREBIRD Differential & Rear-End Components

GEAR PINION 12 BOLT 8 7/8

Part Number: MGR-3880140

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Estimated Ship Date: Sep 26, 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: Sep 26, 2025 if ordered today

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Differential Parts Kit

Part Number: MGR-GM76BI

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 26, 2025 if ordered today

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Ring and Pinion Bearing Kit

Part Number: MGR-GM85PIK

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Estimated Ship Date: Sep 26, 2025 if ordered today

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Pinion Spacer, SPACER, SOLID GM 12 BOLT SHORT

Part Number: RMG-04-0012-2M

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Estimated Ship Date: Sep 25, 2025 if ordered today

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Spring, SPRING,COMPRSN, .25D,250 LB/IN

Part Number: PWT-8011001ZAT

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Estimated Ship Date: Sep 29, 2025 if ordered today

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Mini Spool, MINI SPOOL GM 7.5" 26 SPL

Part Number: RMG-XL-5130

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Estimated Ship Date: Sep 25, 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, 2 Series, Set

Part Number: RMG-49-0009-1

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Estimated Ship Date: Sep 25, 2025 if ordered today

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WASHER, PINION THRUST

Part Number: MGR-559291

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Estimated Ship Date: Sep 26, 2025 if ordered today

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Lockwasher, LOCKWASHER 3/8" SPLIT ZINC

Part Number: MGR-RGB5-LW

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Estimated Ship Date: Sep 26, 2025 if ordered today

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Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit

Part Number: MGR-R10RT

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 26, 2025 if ordered today

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Ring and Pinion Installation Kit, Basic, GM 8.875 in. 12-Bolt, Rear, Kit

Part Number: MGR-R12CRT

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Estimated Ship Date: Sep 26, 2025 if ordered today

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Gear, Ring and Pinion, 4.56:1 Ratio, GM, 12-Bolt Passenger Car, Set

Part Number: MGR-G888456

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Estimated Ship Date: Sep 26, 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: Sep 26, 2025 if ordered today

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Axle Shaft Retainer

Part Number: MGR-344171

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Estimated Ship Date: Sep 26, 2025 if ordered today

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Axle 12P GM REAR, '68-'72 CHEVELE & '70 CAMARO, 30-1/8", 30spl, 2.25" OD BRG(1563), 1 SIDE

Part Number: SPZ-11948

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Estimated Ship Date: Sep 23, 2025 if ordered today

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Ring and Pinion Kit

Part Number: RMG-GM75323

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Estimated Ship Date: Sep 25, 2025 if ordered today

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Gear, Ring and Pinion, EXCel, 3.42:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set

Part Number: RMG-GM75342TK

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Estimated Ship Date: Sep 25, 2025 if ordered today

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Ring and Pinion

Part Number: RMG-GM75456TK

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Estimated Ship Date: Sep 25, 2025 if ordered today

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Yukon positraction internals for 7.5" and 7.625" GM with 26 spline axles

Part Number: YGA-16116

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Estimated Ship Date: Oct 8, 2025 if ordered today

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12P GM BEARING & SEAL KIT, KOYO BRGS

Part Number: SPZ-58044

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Estimated Ship Date: Sep 23, 2025 if ordered today

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7.5" & 7.625" GM '00&UP PINION KIT, KOYO BRGS

Part Number: SPZ-60011

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Estimated Ship Date: Sep 23, 2025 if ordered today

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Differential Carrier Rebuild Kit, GM 7.625 in., 28 Spline, Rear, Open Carrier, Buick, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Kit

Part Number: RMG-XL-4042

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Estimated Ship Date: Sep 25, 2025 if ordered today

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Differential Carrier Gear Kit

Part Number: RMG-XL-4058

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Estimated Ship Date: Sep 25, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.5" GM 3.90 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12623

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Estimated Ship Date: Oct 8, 2025 if ordered today

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