PONTIAC CATALINA Differential & Rear-End Components Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Richmond Gear Ring and Pinion Installation Half Kits 83-1088-C

Ring and Pinion Installation Kit, GM, 8.5 in. O, Kit

Part Number: RMG-83-1088-C

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Motive Gear Differential Crush Sleeves 3115

CRUSH SLEEVE O AXLE

Part Number: MGR-3115

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

Yukon Gear & Axle Differential Carrier Replacement Parts YSPTW-034

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

Part Number: YGA-33304

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Motive Gear Performance Ring and Pinion Sets G885513 GM 8.5/8.6 in. 5.13 Gears

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

Part Number: MGR-G885513

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

USA Standard Gear Master Overhaul Kits ZK GM8.5OLDS-28

Ring and Pinion Installation Kit, GM 8.5 in., Rear, Kit

Part Number: SPZ-37058

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Currie 9 in. Crate Rear End Assemblies CR-GB235TEBB

Crate Axle, 59-64 GM B-Body Centurion 9-Inch, Black PC, 31-Spline, 3.50 Ratio, Currie Twin Track, 11" Explorer Disc

Part Number: CUR-CR-GB235TEBB

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Yukon Gear & Axle Differential Carrier Replacement Parts YSPTW-052

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: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Powertrax Replacement Couplers 1932504CCN

COUPLER

Part Number: PWT-1932504CCN

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Richmond Gear EXCel OEM Replacement Axle Shafts 92-25125

Axle Shaft, 26-Spline, 30.50 in. Length, Buick, Chevy, Oldsmobile, Pontiac, 7.5 in., Rear, Each

Part Number: RMG-92-25125

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Powertrax Replacement Drivers 1930404DGX

INTERNAL DRIVE

Part Number: PWT-1930404DGX

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Dorman Ring and Pinion Sets 697-300 GM 8.5/8.625 in. 3.42 Gears

Differential Ring And Pinion Set

Part Number: RNB-697-300

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Dorman Axle Shafts 630-113

Axle, Rear, 26-Spline, 30.5 in. Length, GM, 7.50 in. Axle, Each

Part Number: RNB-630-113

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Dorman Ring and Pinion Installation Kits 697-100

Ring and Pinion Installation Kit, GM, 8.5 in., 10-Bolt, Kit

Part Number: RNB-697-100

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Currie 9 in. Crate Rear End Assemblies CR-GB337TEBB

Crate Axle, 65-70 GM B-Body Centurion 9-Inch, Black PC, 31-Spline, 3.70 Ratio, Helical Limited Slip, 11" Explorer Disc

Part Number: CUR-CR-GB337TEBB

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Auburn Gear Select-A-Loc 28 Spline Differential GM 8.5 Inch 545003

Auburn Gear Select-A-Loc 28 Spline Differential GM 8.5 Inch 545003

Differential, Select-A-Loc, 28-Spline, GM, 8.5 in., 10-Bolt, Each

Part Number: AUB-545003

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Powertrax Grip LS Traction Systems GM 8.5 Inch LS201028

Differential, Grip LS Traction System, 28-Spline, GM, 8.5 in., Each

Part Number: PWT-LS201028

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Motive Gear Super Ring and Pinion Gear Installation Kits R10RSK

Ring and Pinion Installation Kit, Super Kit, GM, 8.5 in., Kit

Part Number: MGR-R10RSK

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG GM7.5-323 GM 7.5/7.6 in. 3.23 Gears

Ring and Pinion Gears, 3.23:1 Ratio, 27-spline, Standard Rotation, GM 7.5 in., GM 7.6 in., Set

Part Number: YGA-24477

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Richmond Gear EXCel OEM Replacement Axle Shafts 92-25150

Axle Shaft, OEM Replacement, 28-Spline, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, 7.5 in., Rear, Each

Part Number: RMG-92-25150

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

Motive Gear Light-Duty Axle Shafts 25501599

Axle Shaft, OEM Replacement, C-clip, 1541H Alloy Steel, 28-spline Inner, 30.438 in. Length, Each

Part Number: MGR-25501599

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

Richmond Gear EXCel Ring and Pinion Gear Installation Kits XL-1022-1

Ring and Pinion Kit

Part Number: RMG-XL-1022-1

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Yukon Gear & Axle Differential Carrier Replacement Parts YSPSPR-002

Posi spring kit for GM 7.5", with preload plates

Part Number: YGA-33206

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Yukon Gear & Axle Differential Crush Sleeves YSPCS-029

63-64 Oldsmobile drop out crush sleeve

Part Number: YGA-33112

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Yukon Gear & Axle Differential Crush Sleeves YSPCS-030

Differential Crush Sleeves, 2.420 in. Tall, GM 8.5, 10 Bolt, Oldsmobile, Cutlass, Each

Part Number: YGA-33113

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Yukon Gear & Axle Differential Carrier Replacement Parts YSPTW-051

7.5 GM STD S/G T/W

Part Number: YGA-33389

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today