Performance & Replacement Transmission & Drivetrain Parts

Ring and Pinion Gears and Installation Kit, 12P 8.875" GM 3.31 REAR R&P GEAR/ INSTALL KIT PACKAGE with 30spl POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12611

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Estimated Ship Date: Dec 3, 2025 if ordered today

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

Part Number: YGA-12607

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Pinion Yoke, Bolt-On, Steel, 3RS44 Series, 30-Spline, GM 8.5, Each

Part Number: RMG-96-2520

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Ring and Pinion Gears,Yukon Gear & Axle 8.2" GM, 3.55 Ratio Rear Ring & Pinion GearInstall Kit 28 Spline and 2.25" OD Axle Bearings & Seals

Part Number: YGA-10613

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Differential Ring and Pinion; GM 8.2 - 3.36 Ratio

Part Number: SVL-10004627

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Estimated Ship Date: Nov 17, 2025 if ordered today

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USA Standard Ring & Pinion gear set for GM 12 bolt car in a 3.90 ratio

Part Number: SPZ-36169

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Ring & Pinion Gear, 5.38 Ratio, GM, 8.5 in./8.6 in., Set

Part Number: YGA-24494

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Clutch Disc, 500-Series, Organic, 1 1/8 in. 10-Spline, 10.5 in. Diameter, Each

Part Number: MCL-260540

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/3/2025

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Switch - Neutral/Backup

Part Number: SMP-NS15

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/3/2025

Transmission Bracket, Steel, Natural, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: BMM-30499

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/3/2025

Clutch Ball Stud, Frame Side, Fixed Type, Steel, Black, Chevy, Each

Part Number: AMD-W-319

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/3/2025

Automatic Transmission Rebuild Components, LCS Governor Cover Gasket, 3.25 in. Diameter, Rubber, GM, TH350, TH200C, THM700-R4/4L60/MD8, Each

Part Number: ATP-SO40

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/3/2025

Detent Cable, Black, 40.25 in. Length, for TH250, TH350, or TH375B, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: ATP-Y104

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/3/2025

Flexplate, Steel, 168-Tooth, External Imbalance, Chevy, Each

Part Number: ATP-Z112

Not Yet Reviewed

Estimated Ship Date: Monday 11/3/2025

Thrust Washer, Open Differential, GM 8.875 in. Passenger Car, Truck, Each

Part Number: YGA-33380

Not Yet Reviewed

Estimated Ship Date: Monday 11/3/2025

Transmission Filter Extension, Cast Aluminum, for BMM-30280/BMM-30289, Each

Part Number: BMM-30284

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/3/2025

Automatic Transmission Clutch Packs, .070 in. Thick, Set of 6

Part Number: TCI-724200

Not Yet Reviewed

Estimated Ship Date: Monday 11/3/2025

Direct Springs for TH400 High Gear(16)

Part Number: TCI-221600

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/3/2025

Servo Sealing Rings, GM, TH350, Kit

Part Number: TCI-313800

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/3/2025

Differential Cover, 12-bolt, Aluminum, Polished, GM 8.875 in. Passenger Car, Each

Part Number: YGA-32101

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/3/2025

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Carrier Shims, Super, Steel, Set of 18

Part Number: YGA-16042

3.11 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/3/2025

Spring, Clutch Pedal Return, Chevy, Each

Part Number: OER-3973088

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/3/2025

Oil Seal Kit;

Part Number: NTL-5573

Not Yet Reviewed

Estimated Ship Date: Monday 11/3/2025

Differential Crush Sleeve; Fits GM 8.5 in.

Part Number: RMG-19-0004-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/3/2025

Replcement Springs, Powertrax No-Slip, Kit

Part Number: PWT-8001001KAV

4.93 out of 5 stars ( 14 )

Estimated Ship Date: Monday 11/3/2025