$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

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Transmission & Drivetrain

Performance & Replacement Transmission & Drivetrain Parts

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.

Individual Parts

Results 1 - 25 of 698

4WD Vac Check Valve

Part Number: RNB-926-465

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

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Estimated Ship Date: Dec 8, 2025 if ordered today

SEAL-VAC PUMP OIL OTLT PIPE

Part Number: ADO-12685956

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

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Estimated Ship Date: Dec 18, 2025 if ordered today

Vacuum Modulator, TH350, TH400 Transmission, Each

Part Number: BMM-20234

4.89 out of 5 stars ( 28 )

Estimated Ship Date: Today

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Transmission Vacuum Modulator, Ford, C-4, C-6, Each

Part Number: SDK-C4AZ-7A377-B

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Vacuum Bypass, Automatic Transmission Modulator Bypass Components, Kit

Part Number: TRG-VBP-VAC

4.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Vacuum Modulator, Adjustable, GM, Powerglide, Each

Part Number: TCI-280001

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Vacuum Modulator, Adjustable, Ford, C-6, Each

Part Number: TCI-360003

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Vacuum Modulator, Adjustable, Ford, Push-In, Green Stripe, Each

Part Number: TCI-260101

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Transmission Vacuum Modulator, Steel, Screw-in Style, White Strip, Ford, C-4, C-6, Each

Part Number: TCI-360001

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Modulator, Adjustable, Automatic Transmission, TH400, Each

Part Number: TCI-350001TCI

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Automatic Transmission Modulators, Adjustable, Push-In, Purple Stripe, Steel, Ford, Mercury, Lincoln, C6, Each

Part Number: TCI-360002

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Modulator Plug, GM, Powerglide, Kit

Part Number: SOX-28738-01K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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SERVICE KIT POWERGLIDE 5/SET

Part Number: SOX-3543L-5

Not Yet Reviewed

Estimated Ship Date: Today

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Vacuum Modulator, GM TH350, TH400, Push-In, Adjustable, Each

Part Number: SUM-G110

4.67 out of 5 stars ( 33 )

Estimated Ship Date: Dec 5, 2025 if ordered today

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Estimated Ship Date: Dec 5, 2025 if ordered today

Hub Conversion Kit, 4WD Vacuum Delete, Automatic, Ford, Lincoln, Pair

Part Number: RNB-600-405

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Dec 9, 2025 if ordered today

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Estimated Ship Date: Dec 9, 2025 if ordered today

Vacuum Regulator, 4WD, Ford, Each

Part Number: MOF-CX2117

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

Torque Converter Lockup Kit, Vacuum Switch, GM 700R4, Kit

Part Number: PRF-60109

4.67 out of 5 stars ( 21 )

Estimated Ship Date: Today

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Wheel Hub, Front, Chevy, Each

Part Number: VAC-FB-15C

Not Yet Reviewed

Estimated Ship Date: Today

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Loaded Bearing Support, Rear Left, Steel, Natural, Each

Part Number: VAC-BA-21IK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Loaded Bearing Support, Rear Right, Steel, Natural, Each

Part Number: VAC-BA-22IK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Wheel Hubs, Front, Chevy, Each

Part Number: VAC-FB-15CE

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Wheel Bearing and Hub Assembly, X-Tracker Wheel Hub Assembly, Steel, Natural, RWD, Chevrolet, Each

Part Number: VAC-FBRB-5049

Not Yet Reviewed

Estimated Ship Date: Today

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Front Wheel Bearing Rebuild Kit, 1969-82 Chevy Corvette

Part Number: VAC-FS-64K

Not Yet Reviewed

Estimated Ship Date: Today

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Axle Shafts, Direct-Fit, Half Shaft, Rear, 3.00 in., Pair

Part Number: VAC-HS-04PE

Not Yet Reviewed

Estimated Ship Date: Today

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Torque Converter Lockup Kit, Wiring Kit, Vacuum Switch, GM, 200-4R, 700R4, Kit

Part Number: TCI-376600

4.26 out of 5 stars ( 61 )

Estimated Ship Date: Today

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