Performance & Replacement Transmission & Drivetrain Parts

Differential Carrier, Positraction, Nodular Iron, GM 8.2 in., 28 Spline, 3.08 Up Ratio, Each

Part Number: SUM-730962

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Monday 12/8/2025

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Flexplate, 153-Tooth, Internal Engine Balance, 2-Piece Rear Main Seal, SFI 29.1, Chevy, V8, Each

Part Number: SUM-G103SFI

4.56 out of 5 stars ( 32 )

Estimated Ship Date: Monday 12/8/2025

Differential Cover, Aluminum, Natural, GM, 12-Bolt 8.875 in., Truck, Kit

Part Number: SUM-730503N

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/8/2025

Automatic Transmission, Forward Shift Pattern, Automatic Valve Body, Buick, Olds, Pontiac, TH400, RWD, Each

Part Number: SUM-700401-1

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

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Axles, Direct Fit, 1541H Steel, 30-Spline, Chevy, 8.875 in., Kit

Part Number: SUM-700121

4.5 out of 5 stars ( 20 )

Estimated Ship Date: Monday 12/8/2025

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Differential Carrier, Positraction, Nodular Iron, GM 8.5/8.6 in., 30 Spline, 2.73 Up Ratio, Each

Part Number: SUM-730968

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 12/8/2025

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Flexplate, 155-Tooth, Steel, External Balance, SFI 29.1, Ford, Powerstroke, Each

Part Number: SUM-G132SFI

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 12/8/2025

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Transmission Pan, Stock, Steel, Black Powdercoated, Finned, TH350, Buick, Chevy, GMC, Olds, Pontiac, Each

Part Number: SUM-G3885B

4.4 out of 5 stars ( 84 )

Estimated Ship Date: Monday 12/8/2025

Combo, Hurst, Shifter, Competition Plus, Installation Kit, Ford, Mercury, Ford Top Loader, Kit

Part Number: CMB-13-0072

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 12/8/2025

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Bellhousing Adapter, Conversion, Cummins to GM, Billet Aluminum, 141-tooth Flexplate, Kit

Part Number: SUM-770380

3.87 out of 5 stars ( 15 )

Estimated Ship Date: Monday 12/8/2025

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Transmission Pan, Stock, Aluminum, Polished, Finned, GM, 700R4, Each

Part Number: SUM-433886

4.59 out of 5 stars ( 79 )

Estimated Ship Date: Monday 12/8/2025

Separator Plate, Engine to Bellhousing, Aluminum, Mill Finish, 0.060 in. Thick, Ford, SBF, 164-Tooth Flexplate, Each

Part Number: SUM-700602

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Monday 12/8/2025

Transmission Pan Kit, TH350, Black Finned Pan, Filter and Gasket, Bolts, Each

Part Number: SUM-G3885B-SET

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

Shifter Mounting Bracket, Platform, 3.5 in. Height, 3 in. x 8 in. Base, Aluminum, Natural, Each

Part Number: SUM-700070

4.85 out of 5 stars ( 13 )

Estimated Ship Date: Monday 12/8/2025

Differential Cover, Aluminum, Black Powdercoated, GM, 12-Bolt 8.875 in., Truck, Kit

Part Number: SUM-730503B

4.0 out of 5 stars ( 12 )

Estimated Ship Date: Monday 12/8/2025

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Transmission Pan, Deep, Aluminum, Natural, Finned with Summit Logo, Chrysler, Torqueflite A-904, Each

Part Number: SME-1010

4.95 out of 5 stars ( 20 )

Estimated Ship Date: Monday 12/8/2025

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Clutch Kit, Organic, 1-1/16 in. Shaft, 10-Spline, 10 in. Diameter Disc, Ford, Mercury, Kit

Part Number: SUM-700820

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/8/2025

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Clutch Kit, Street Twin, Ceramic, 1 1/8 in- 26, Billet Steel Flywheel, Diaphram, Pilot Bushing, Chevy, LS, Kit

Part Number: MCL-6405507M

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 12/8/2025

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Hays Twister 3/4 Race Torque Converter 1998- UP GM, 4L60E, 4L65E, 2800-3200 RPM stall

Part Number: HAY-97-1H28Q

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

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Differential Cover, Aluminum, Natural, Bearing Cap Support, GM, 8.2 in., 8.5 in., 10-Bolt, Each

Part Number: SME-8510300NL

4.72 out of 5 stars ( 47 )

Estimated Ship Date: Monday 12/8/2025

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Transmission Pan, Deep, Aluminum, Natural, Finned, Summit Logo, TH250, TH350, Each

Part Number: SME-1000

4.49 out of 5 stars ( 51 )

Estimated Ship Date: Monday 12/8/2025

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Automatic Transmission Overflow Tank, Aluminum, Black Powdercoated, 1 lt. Capacity, Powerglide, Each

Part Number: SUM-300108

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 12/8/2025

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Torque Converter, 10 in. Diameter, Chevy, Powerglide, 3,000 Stall, Each

Part Number: SUM-700334

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/8/2025

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Automatic Transmission Rebuild Kit, Heavy-Duty, Dodge, 46RE, 47RE, 48RE, Kit

Part Number: SUM-705048

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/8/2025

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Transmission Pan, Stock Depth, Steel, Black Powdercoated, Finned, 4L80E, 4L85E, Chevy, Each

Part Number: SUM-G3878B

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/8/2025