PONTIAC GRAND PRIX Differential & Rear-End Components Transmission & Drivetrain - Free Shipping on Orders Over $109 at Summit Racing

USA Standard Gear Ring and Pinion Sets ZG GM8.5-488 GM 8.5/8.6 in. 4.88 Gears

Ring and Pinion Gear, 4.88:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36219

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM8.5-513 GM 8.5/8.6 in. 5.13 Gears

Ring and Pinion Gear, 5.13:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36220

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

Motive Gear Ring Gear Spacers 075050

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: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Allstar Performance Ring Gear Spacers ALL70100

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Motive Gear Ring Gear Bolts RGBT-003

Bolt, Ring Gear, 3/8-24, Right Hand Thread, Black Oxide, Each

Part Number: MGR-RGBT-003

Not Yet Reviewed

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Dorman Ring and Pinion Sets 697-301 GM 8.5/8.625 in. 3.73 Gears

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

Part Number: RNB-697-301

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM7.5-308 GM 7.5/7.6 in. 3.08 Gears

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

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

Richmond Gear EXCel Ring and Pinion Sets GM75355TK GM 7.5/7.625 in. 3.55 Gears

Ring and Pinion Kit

Part Number: RMG-GM75355TK

Not Yet Reviewed

Estimated Ship Date: Nov 26, 2025 if ordered today

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Estimated Ship Date: Nov 26, 2025 if ordered today

SKF Bearings Pinion Bearing Races HM88610

Tapered roller bearing race

Part Number: SKF-HM88610

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

Dorman Ring and Pinion Sets 697-306 GM 7.5/7.625 in. 4.10 Gears

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

Part Number: RNB-697-306

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM7.5-323 GM 7.5/7.625 in. 3.23 Gears

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

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

Motive Gear Ring Gear Spacers 085050

Ring Gear Spacer, 0.200 in. Thick, 10-bolt, GM 8.5 in., Each

Part Number: MGR-085050

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Nov 26, 2025 if ordered today

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Estimated Ship Date: Nov 26, 2025 if ordered today

Yukon Gear & Axle Differential Carrier Replacement Parts YSPCG-003

Clutch Guide, Dura Grip, Chrysler 9.25 in., GM 8.5 in., 8.6 in., 8.875 in., Each

Part Number: YGA-33352

Not Yet Reviewed

Estimated Ship Date: Today

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Precision Gear Ring and Pinion Sets GM10/308 GM 8.5/8.6 in. 3.08 Gears

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

Part Number: ALY-GM10308

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

SVL Drivetrain Ring and Pinion Gear Sets 2020642 GM 8.5/8.6 in. 3.42 Gears

Ring & Pinion Gear Set GM 10 Bolt 8.5" / 3.42 Ratio

Part Number: SVL-2020642

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

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Estimated Ship Date: Nov 21, 2025 if ordered today

Motive Gear Differential Pinion Bearing Spacers and Sleeves 4101

SOLID SPACER & SHIM KIT GM12 BOLT CAR

Part Number: MGR-4101

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

Timken Pinion Bearing Races M804010

Pinion Bearing Race, Rear, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, Chrysler, Dodge, Plymouth, Mitsubishi

Part Number: TMK-M804010

Not Yet Reviewed

Estimated Ship Date: Today

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Motive Gear Differential Carrier Replacement Parts 3984818

WASHER PIN 8.5 GM 10 BOLT

Part Number: MGR-3984818

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

Yukon Gear & Axle Differential Carrier Replacement Parts YSPCG-004

Clutch guide for GM 7.5" & 7.6" Yukon Dura Grip

Part Number: YGA-33251

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

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Estimated Ship Date: Dec 8, 2025 if ordered today

Richmond Gear Cross Pins and Shafts 80-0270-1

Cross Shaft, Differential, Steel, GM, 10-Bolt, 7.5 in., 7.625 in., Each

Part Number: RMG-8002701

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Nov 21, 2025 if ordered today

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Estimated Ship Date: Nov 21, 2025 if ordered today

Motive Gear Ring and Pinion Sets GM7.5-456A GM 7.5 in. 4.56 Gears

RP GM 7.5in 7.625in 4.56 MOT

Part Number: MGR-GM7-5-456A

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

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Estimated Ship Date: Nov 21, 2025 if ordered today

Richmond Gear Full Spools 81-1028-1

Spool, Full Size, Steel, 28-Spline, 10-Bolt, GM 8.5 in., Each

Part Number: RMG-81-1028-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

Richmond Gear EXCel Ring and Pinion Sets 12BC342 GM 8.875 in. (12-bolt) passenger car 3.42 Gears

Gear, Ring and Pinion, EXCel, 3.42:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set

Part Number: RMG-12BC342

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

Yukon Gear & Axle Pinion Kits PK GM8.2BOP

Ring and Pinion Gear Installation Kit, Minimum Overhaul, GM, 8.2 in., Kit

Part Number: YGA-13068

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

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Estimated Ship Date: Dec 8, 2025 if ordered today

Dorman Ring and Pinion Installation Kits 697-102

Ring and Pinion Installation Kit, GM 7.5 in., Rear, Kit

Part Number: RNB-697-102

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

USA Standard Gear Master Overhaul Kits ZK GM7.5-A

USA Standard Master Overhaul kit for the '81 & older GM 7.5" differential

Part Number: SPZ-37048

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today