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Transmission & Drivetrain

Performance & Replacement Transmission & Drivetrain Parts

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Performance & Replacement Transmission & Drivetrain Parts

Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic...

Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic and manual transmissions for street and strip applications, torque converters and clutch sets, flexplates and flywheels, plus limited-slip differentials, spools, lockers, ring and pinion sets, driveshafts, U-joints, axles, bearings, C-clip eliminator kits, transfer cases, shift kits, and rebuild kits. We also have a wide selection of trans-brakes, shifters, cables, and accessories—everything you need to put the power to the ground, Summit style.

Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic and manual transmissions for street and strip applications, torque converters and clutch sets, flexplates and flywheels, plus limited-slip differentials, spools, lockers, ring and pinion sets, driveshafts, U-joints, axles, bearings, C-clip eliminator kits, transfer cases, shift kits, and rebuild kits. We also have a wide selection of trans-brakes, shifters, cables, and accessories—everything you need to put the power to the ground, Summit style.

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Individual Parts

Results 1 - 25 of 306

Torque Converter, Street Rod, 2,000 rpm Stall, Chevy, TH350, TH400, HD Sprag, Each

Part Number: HUP-GM20HD

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Torque Converter, Street Rod, 2,000 rpm Stall, Buick, Pontiac, Oldsmobile, BOP, TH350, TH400, Each

Part Number: HUP-GM20BPO

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Torque Converter, 2,000 Street Rod Series, Torqueflite 727, Heavy-Duty Sprag, 24-Spline, Each

Part Number: HUP-24-20HD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Torque Converter, Street Rod, 2,000 rpm Stall, Chevy, TH350, TH400, Each

Part Number: HUP-GM20

4.21 out of 5 stars ( 39 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Torque Converter, Street Master, 2,000 rpm Stall, 24-Spline, Ford, C-4, Each

Part Number: HUP-30-20

4.73 out of 5 stars ( 15 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Torque Converter, 2,000 Stall Series, Chrysler, Torqueflite 727, Each

Part Number: HUP-24-20

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Torque Converter, Street Rod, 2,000 rpm Stall, Ford, C-6, Each

Part Number: HUP-43-20

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Torque Converter, Street Rod, 2,000 rpm Stall, Chevy, THM700-R4/4L60/MD8, Each

Part Number: HUP-22-20

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Torque Converter, Street Rod, 2,000 rpm Stall, Chevy, 200-4R/700R4, Each

Part Number: HUP-21-20

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Torque Converter, Street Rod, 2,000 rpm Stall, 24-Spline, Ford, C4, Each

Part Number: HUP-23-20

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Torque Converter, Street Rod, 2,000 rpm Stall, Chevy, Buick, Oldsmobile, Pontiac, TH400, Each

Part Number: HUP-GM20400BP

3.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Torque Converter, Street Rod, 2,000 rpm Stall, Ford, AOD, Each

Part Number: HUP-51-20L

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Torque Converter, Street Rod, 2,000 rpm Stall, Chevy, Powerglide, Each

Part Number: HUP-PG20

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Torque Converter, Street Rod, 2,000 rpm Stall, Chevy, 4L60E, 4L65E, Lockup, Each

Part Number: HUP-22-20L

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Torque Converter, Street Rod, 2,000 rpm Stall, 26-Spline, Ford, C-4, Each

Part Number: HUP-41-20

3.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Torque Converter, Street Rod, 2,000 rpm Stall, Ford, C-6, Each

Part Number: HUP-43-20HD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Torque Converter, Street Rod Torque Converter, Street/Strip, 2,000 Stall Speed Rating RPM, 19-spline Input, A727, Chrysler, Dodge, Plymouth, Each

Part Number: HUP-19-20

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Shifter Installation Kit, Street Super Shifter, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: HUU-3738616

4.18 out of 5 stars ( 11 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Torque Converter, Street Rod, Mopar, Torqueflite A-904, Each

Part Number: HUP-27-20

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Torque Converter, Street Rod, 2,000 rpm Stall, Chevy, 4L60/4L60E/700R4, Heavy-Duty Sprag, Lockup, Each

Part Number: HUP-22-20LHD

3.0 out of 5 stars ( 2 )

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

Torque Converter, Street Rod, 2,000 rpm Stall, Ford, AODE/4R70W, Each

Part Number: HUP-53-20LHD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

Torque Converter, Street Rod, 2,000 rpm Stall, Buick, Oldsmobile, Pontiac, BOP, TH350, TH400, Each

Part Number: HUP-GM20BPO400BP

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Torque Converter, Street Rod, 2,000 rpm Stall, Buick, Oldsmobile, Pontiac, BOP, TH350, TH400, HD Sprag, Each

Part Number: HUP-GM20BPOHD

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Torque Converter, Street Rod, 2,000 RPM Stall, Buick, Pontiac, Oldsmobile, TH400, Heavy Duty Sprag, Each

Part Number: HUP-GM20HD400BP

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

Torque Converter, Street Rod, 2,000 rpm Stall, Chevy, 200-4R/700R4, 27-Spline, Lockup, Each

Part Number: HUP-21-20L

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today