Performance & Replacement Transmission & Drivetrain Parts

Ring and Pinion Gears and Installation Kit, 12P 8.875" GM 3.73 REAR R&P GEAR/ INSTALL KIT PACKAGE with 30spl POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12613

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Ring and Pinion Gears, 3.42:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set

Part Number: SPZ-36213

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Estimated Ship Date: Nov 14, 2025 if ordered today

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Automatic Transmission Filter, Chevy, Powerglide, Each

Part Number: TCI-528505

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 8, 2025 if ordered today

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Ring and Pinion-GM 8.5/8.625

Part Number: MGR-GM10-373A

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Transmission Filter, Buick, Chevy, GMC, Oldsmobile, Pontiac, TH350, Kit

Part Number: ATP-B45

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

Pinion Nut Washer, Each

Part Number: YGA-33166

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Differential Parts Kit; Open Differential Internal Kit; Incl. Side And Pinion Gears/Washers/Pinion Shaft And L

Part Number: MGR-GM12BI

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Flywheel Fasteners, 12-point, 7/16-20 in. Thread, Steel, Black, AMC, Ford, GM, Set of 6

Part Number: RNB-14557

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Clutch Fork Return Spring, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: GMK-4033-951-712

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Gear, Ring and Pinion, 3.36:1 Ratio, GM, 8.2 in., Set

Part Number: MGR-G882336

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885456

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Cross Pin, GM, 10-Bolt, 8.5 in. Each

Part Number: MGR-14006401

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Estimated Ship Date: Today

Differential Carrier Bearing, Races Included, Koyo Bearing, Steel, Set

Part Number: MGR-706016XR

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Estimated Ship Date: Today

Flexplate, 153 Tooth, Internal Balance, 2-Piece Rear Main Seal, Steel, Chevy, Each

Part Number: QTI-RM-922

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Yukon cast yoke for GM 12P and 12T with a 1350 U/Joint size

Part Number: YGA-41068

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Ring and Pinion Gear Installation Kit, Master Overhaul, 25 Spline, GM 8.2 in., Kit

Part Number: YGA-14082

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: MGR-R10RSKT

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Differential Cross Shaft, Steel, 0.795 in. Diameter, Each

Part Number: YGA-33401

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Kit Thrust Washers GM TH350

Part Number: TCI-313600

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

Switch Bracket, Electrical, Backup, Bolt-on, Steel, Zinc Plated, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: AWW-39504

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Automatic Transmission Kickdown Cable, Hi-Tech, Black Vinyl, Natural Aluminum Fittings, GM, Powerglide, Kit

Part Number: LOK-KD-20PGU

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Flywheels, Billet Aluminum, 168-tooth, 14 lbs., Internal Engine Balance, SFI 1.1, Chevy, Each

Part Number: HAY-20-130HYS

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Estimated Ship Date: Today

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Manual Transmission Bearing and Seal Overhaul Kit, Manual Transmission Bearing and Seal Overhaul Kit

Part Number: SPZ-ZMBK131A

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Estimated Ship Date: Today

Wheel Bearing Dust Cap

Part Number: GMK-4043595611P

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Throwout Bearing, 1300 Series, Hydraulic, Bolt-on Design, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: MCL-1327

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Estimated Ship Date: Today

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