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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 103

Transmission Pan Kit, Deep Type, Drain Plug, A319 Aluminum, Natural, Finned with Logo, GM TH700R4/4L60E, Each

Part Number: TFS-1018

4.89 out of 5 stars ( 18 )

Estimated Ship Date: Today

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Clutch Disc, 1000 Series, Metallic, 1.063 in. - 10-spline, 7.875 in. Diameter, Circle Track, Each

Part Number: RAM-1018

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Aug 11, 2025 if ordered today

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Estimated Ship Date: Aug 11, 2025 if ordered today

Driveshafts, Remanufactured, Assembled, Balanced, Steel, 2.000 in. Diameter, 36.260 in. Length, Cadillac, Chevrolet, GMC, Each

Part Number: AAZ-65-1018

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 if ordered today

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Estimated Ship Date: Sep 29, 2025 if ordered today

Axle Shaft, CV-Style, Replacement, Each

Part Number: AAZ-60-1018

Not Yet Reviewed

Estimated Ship Date: Oct 31, 2025 if ordered today

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Estimated Ship Date: Oct 31, 2025 if ordered today

Ring and Pinion Kit

Part Number: RMG-XL-1018-1

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Quick Change Gears, Sportsman, 10-Spline, SAE 8620 Steel, Set 18, 19/24 Teeth, Set

Part Number: SGB-1018-SPT

Not Yet Reviewed

Estimated Ship Date: Aug 19, 2025 if ordered today

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Estimated Ship Date: Aug 19, 2025 if ordered today

Ring and Pinion Installation Kit, GM 8.875 in., Truck 12-Bolt, 30-Spline Pinion, Kit

Part Number: RMG-8310181

3.64 out of 5 stars ( 14 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Wheel Bearing & Seal Kit

Part Number: RRA-72-1018

Not Yet Reviewed

Estimated Ship Date: Sep 5, 2025 if ordered today

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Estimated Ship Date: Sep 5, 2025 if ordered today

U-Joint, 4 Grooved caps, Greasable, Kubota, Yamaha, Each

Part Number: QDB-19-1018

Not Yet Reviewed

Estimated Ship Date: Aug 21, 2025 if ordered today

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Estimated Ship Date: Aug 21, 2025 if ordered today

BRNG/SEAL KIT, RR YFM35FX

Part Number: ALB-25-1018

Not Yet Reviewed

Estimated Ship Date: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

U-Joint U-JOINT KIT U-JOINT KIT

Part Number: ALB-19-1018

Not Yet Reviewed

Estimated Ship Date: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

Ring and Pinion Installation Kit, GM, 8.875 in., Truck, 12-Bolt, Kit

Part Number: RMG-831018M

4.5 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Axle Shafts, New CV Drive Axles, Replacement, 34-spline Inner, 22-spline Outer, 20.56 in. Length, Front Left, Pontiac, Each

Part Number: AAZ-66-1018

Not Yet Reviewed

Estimated Ship Date: Sep 2, 2025 if ordered today

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Estimated Ship Date: Sep 2, 2025 if ordered today

Driveshafts, Rear, Steel, Balanced, HD Assembled, 4.00 in. Diameter, 164.625 in. Length, International, Each

Part Number: RNB-936-1018

Not Yet Reviewed

Estimated Ship Date: Aug 21, 2025 if ordered today

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Estimated Ship Date: Aug 21, 2025 if ordered today

Replacement Shifter Stick, Steel, Chrome, 18.00 in. Long, Each

Part Number: LON-HN1018

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 22, 2025 if ordered today

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Estimated Ship Date: Sep 22, 2025 if ordered today

Ring and Pinion Installation Kit, GM, 12-Bolt, 8.875 in. Diameter Ring Gear, 30-Spline Pinion, Kit

Part Number: RMG-831018B

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 22, 2025 if ordered today

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Estimated Ship Date: Aug 22, 2025 if ordered today

Axle Retainer Plate, Late Big Ford Style, 3/8 in. Bolt Holes, Each

Part Number: STR-A1018

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Clutch Kit, Stock Replacement, OEM, Organic Disc, 20-spline, Pressure Plate, Clutch Slave Cylinder, Mitsubishi, Kit

Part Number: EXY-MBK1018

Not Yet Reviewed

Estimated Ship Date: Today

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Clutch Kit, Stage 3 Daily Driver, Single, 1.031 in. - 23-spline, Organic Disc, Pressure Plate, Porsche, 3.6L, Kit

Part Number: SBB-S1018

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Flexplate, 168-Tooth, External Engine Balance, 1-Piece Rear Main Seal, Chevy, Big, Block, 454/ 7.4L, Each

Part Number: NAL-10185034

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Driveshaft Support Carrier Assembly, Rubber, Black, BMW, Each

Part Number: BCK-101-8169

Not Yet Reviewed

Estimated Ship Date: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

Wheel Bearing Dodge,Jeep,Mitsubishi 07-17

Part Number: FWB-101812

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

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Estimated Ship Date: Sep 3, 2025 if ordered today

Wheel Bearing Honda:CR-Z,Fit 09-17

Part Number: FWB-101881

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

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Estimated Ship Date: Sep 4, 2025 if ordered today

Hub Assembly Lexus 06-17

Part Number: FWB-101871

Not Yet Reviewed

Estimated Ship Date: Today

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Hub Assembly Acura,Honda:Accord,TSX 08-14

Part Number: FWB-101888

Not Yet Reviewed

Estimated Ship Date: Today

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