Performance & Replacement Transmission & Drivetrain Parts

Replacement Springs, Powertrax Lock-Right, Kit

Part Number: PWT-1025350KAP

4.73 out of 5 stars ( 15 )

Estimated Ship Date: Monday 11/3/2025

Ring and Pinion Installation Kit, Super Kit, GM, 8.875 in., Kit

Part Number: MGR-R12CRSKT

4.5 out of 5 stars ( 14 )

Estimated Ship Date: Nov 20, 2025 if ordered today

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Hydraulic Throwout Bearing Conversion Kits, Hydramax Hydraulic Clutch Release Systems, Slave Cylinder, Remote Reservoir, Hoses, Tremec, GM, Chevy, Kit

Part Number: AWR-HMGM40008

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Transmission Pan, Deep, Steel, Chrome, GM, TH400, Each

Part Number: BMM-20289

4.11 out of 5 stars ( 9 )

Estimated Ship Date: Nov 18, 2025 if ordered today

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Flywheel, Steel, 153-Tooth, 30 lb., Internal Balance, Chevy, Big, Small Block, Each

Part Number: HAY-10-330

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 21, 2025 if ordered today

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Ring & Pinion Gear, 3.08 Ratio, GM, 8.2 in., Set

Part Number: YGA-24141

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Ring and Pinion Gears, 3.73:1 Ratio, 17-spline, Standard Ring Gear Rotation, GM 55P (8.2 in. Drop Out), Set

Part Number: YGA-24143

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 3, 2025 if ordered today

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Ring and Pinion-GM 8.5/8.625

Part Number: MGR-GM10-373A

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

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Ring and Pinion Gear, 2.73:1 Ratio, GM 8.5/8.6, 10 Bolt Cover, 30 Spline, 10 Ring Gear Bolts, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Set

Part Number: YGA-24490

Not Yet Reviewed

Estimated Ship Date: Dec 3, 2025 if ordered today

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Clutch Kit, Organic, 1 1/8 in.- 26-Spline, 11 in. Disc, Buick, Chevy, GMC, Oldsmobile, Pontiac, V8, Kit

Part Number: ZZZ-MU5505-1A

3.73 out of 5 stars ( 11 )

Estimated Ship Date: Monday 11/3/2025

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Differential Crush Sleeves, Steel, GM 8.875 in. (12-bolt) Passenger Car, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Toyota, Each

Part Number: MGR-3954480

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/3/2025

Shifter Clips, Steel, Hurst, Set of 3

Part Number: AMD-W-697

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/3/2025

Automatic Transmission Shift Lever, Steel, Gold Anodized, GM, TH350/TH400, Each

Part Number: TCI-248500

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/3/2025

Yukon 1330 Dual-size cap U/Joint. 3.625" snap ring span. One set of caps is 1.125" in diameter and the other i

Part Number: YGA-42017

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/3/2025

Flexplate, Steel, External Balance, 2-Piece Rear Main Seal, Chevy, Non-SFI, Replaces OEM Part 343738, Each

Part Number: PIO-FRA104

Not Yet Reviewed

Estimated Ship Date: Monday 11/3/2025

FLEXPLATE

Part Number: PIO-FRA-100

1.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/3/2025

Flywheel Ring Gear, 153-tooth, Steel, Chevy, GMC, Each

Part Number: PIO-FRG153N

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/3/2025

Transmission Pan Tube/Dipstick; Automatic Transmission Dipstick With Tube; Chrome Plated; Incl. O-Ring; Alumin

Part Number: MRG-9690

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/3/2025

Yokes, GM 3RL/S44/Mechanics 3/American Axle 1344, 30-spline Inner, Cast Steel, for GM 8.5 in. or GM 9.5 in. Axle As the Pinion Yoke, Strap Style, Each

Part Number: MGR-MG3R-8500

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/3/2025

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Torque Converter, Nitrous Holeshot, 2,800-3,200 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20481

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/3/2025

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Axle Bearing, Rear Left or Right, 1.622 in. Bore, 2.531 in. O.D., 0.823 in. Width, GM, Ford, Mopar, Each

Part Number: MGR-6408

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/3/2025

Differential Shims, Pinion Shim Type, Steel, Set

Part Number: MGR-1100

3.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/3/2025

Crush Sleeve, Steel, GM 8.25 in. IFS, GM 8.5 in., Each

Part Number: MGR-1234726

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/3/2025

Clutch Disc, Organic, 1 1/8 in.- 10-Spline, 10.5 in. Disc, AMC, Chevy, GM, Jeep, Dodge, Each

Part Number: RAM-301M

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/3/2025

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Clutch Disc, Street, 200 Series, 1 1/8 in.- 10-Spline, 10.50 in. Disc, Each

Part Number: RAM-251

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/3/2025