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.

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Results 1 - 25 of 123

B&M Transmission Speedometer Port Plugs 20299

Speedometer Port Plug, Billet Aluminum, Black Anodized, Each

Part Number: BMM-20299

4.8 out of 5 stars ( 10 )

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Summit Racing™ Kickdown Cable Kits SUM-200033

Automatic Transmission Kickdown Cable, Braided Stainless Steel Jacket, Fuel Injection, Tuned-Port, GM, TH350, Kit

Part Number: SUM-200033

4.0 out of 5 stars ( 2 )

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Silver Sport Speedometer Port Plugs TRA-20088A

Transmission Speedometer Plug, Speedometer Port Plug, Aluminum, Natural, Each

Part Number: IST-TRA-20088A

5.0 out of 5 stars ( 3 )

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B&M Transmission Speedometer Port Plugs 20298

Speedometer Port Plug, Billet Aluminum, Black Anodized, Each

Part Number: BMM-20298

4.06 out of 5 stars ( 16 )

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B&M Transmission Speedometer Port Plugs 20301

Speedometer Port Plug, Billet Aluminum, Black Anodized, GM, TH400, Each

Part Number: BMM-20301

4.75 out of 5 stars ( 4 )

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B&M Transmission Speedometer Port Plugs 20300

Speedometer Port Plug, Billet Aluminum, Black Anodized, Mopar, Each

Part Number: BMM-20300

Not Yet Reviewed

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ICT Billet Aluminum Speedometer Delete Plugs 551961

ICT Billet Aluminum Speedometer Delete Plugs 551961

Speedometer Port Plug, Billet Aluminum, Natural, 700R4, Each

Part Number: ICB-551961

4.83 out of 5 stars ( 6 )

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Dorman Transmission Pan Drain Plug Kits 65128

Transmission Drain Plug, Steel, 1/2-20 in. Thread Size, Pipe Plug Port, 1/8 in. NPT Thread Size, Kit

Part Number: RNB-65128

3.71 out of 5 stars ( 14 )

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ICT Billet Aluminum Speedometer Delete Plugs 551919

4L80E Speed Sensor Plug Transmission Speedometer Port Cap Cover ICT Billet

Part Number: ICB-551919

Not Yet Reviewed

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Biondo Electric Shifter Solenoids BRP-SAS

Shifter Solenoid, Replacement, CO2 Solenoid, Air Shift, Electric, 3-Port, Square Design, 1/8 in. Thread Ports, Each

Part Number: SBR-SAS

Not Yet Reviewed

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DRP Performance Ultra Low Drag Hub Seals 007 10564

Wheel Bearing Seal, Ultra Low Drag Hub Seals, 2.352 in. I.D., 3.503 in. O.D., 0.380 in Width, Fits 5 x 5 Hubs, Howe/Port City, PTFE Lip, Each

Part Number: DPR-00710564

Not Yet Reviewed

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TransGo Performance Valve Body Separator Plates TF-PLT-95S

Automatic Transmission separator plate 42/44 RH&RE: Separator Plate (Large Intake Port) 1995-On

Part Number: TRG-TF-PLT-95S

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

DRP Performance Ultra Low Drag Hub Seals 007 10564AG

Wheel Bearing Seal, Ultra Low Drag Hub Seals, 2.352 in. I.D., 3.503 in. O.D., 0.380 in Width, Fits 5 x 5 Hubs, Howe/Port City, Aluminum, Air Gap, Each

Part Number: DPR-00710564AG

Not Yet Reviewed

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Biondo Spare Air Solenoid Cylinders BRP-SA-CYL

Shifter Replacement Part, Air CO2 Cylinder, Replacement, Spare, with 1/8 in. NPT Port, for Classic Outlaw, Pro Champion, Phantom Shifters, Each

Part Number: SBR-BRP-SA-CYL

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Summit Racing™ Kickdown Cable Kits SUM-200033B

Automatic Transmission Kickdown Cable, Black Polyethylene Jacket, Fuel Injection, Tuned-Port, GM, TH350, Kit

Part Number: SUM-200033B

Not Yet Reviewed

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Summit Racing™ Kickdown Cable Kits SUM-200036B

Automatic Transmission Kickdown Cable, Black Polyethylene Jacket, Fuel Injection, Tuned-Port, GM, 700R4, Kit

Part Number: SUM-200036B

Not Yet Reviewed

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Summit Racing™ Kickdown Cable Kits SUM-200036

Automatic Transmission Kickdown Cable, Braided Stainless Steel Jacket, Fuel Injection, Tuned-Port, GM, 700R4, Kit

Part Number: SUM-200036

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Reid Racing Super Hydra 400 Transmission Cases SH400DRAG

Automatic Transmission Case, Super Hydra 400, A Option, 0.435 in. Thick PP, Call for Thinner Options, SFI 4.1, Aluminum, Natural, GM TH400, Each

Part Number: REI-SH400DRAG

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Reid Racing Super Hydra 400 Transmission Cases SH400OFF

OFFROAD TRANSMISSION CASE

Part Number: REI-SH400OFF

5.0 out of 5 stars ( 3 )

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Reid Racing Super 80 Transmission Cases S80

Automatic Transmission Case, Super 80, GM 4L80E, SFI 4.1, Each

Part Number: REI-S80

5.0 out of 5 stars ( 2 )

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RevMax 68RFE Automatic Transmission Pans 68RFE-900

Transmission Pan, Aluminum, Black Powdercoated, Deep, 68RFE, Each

Part Number: RVM-68RFE-900

3.5 out of 5 stars ( 2 )

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Strange Daytona-Style Pinion Supports N1914

Pinion Support, 9 in. Ford, 28-Spline, Iron, Each

Part Number: STR-N1914

4.88 out of 5 stars ( 8 )

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aFe Pro Series Transmission Pans for 1994-2006 F-150, 1997-1999 F-250 - 46-70222

Automatic Transmission Pan, Deep, 2 qts. Capacity Increase, Aluminum, Black Powdercoated, Ford, 4R70W, Each

Part Number: AFE-46-70222

4.5 out of 5 stars ( 2 )

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ICT Billet Aluminum Speedometer Delete Plugs 551908

Speedometer Delete Plug, Billet Aluminum, Natural, TH400, Each

Part Number: ICB-551908

3.71 out of 5 stars ( 7 )

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ARB Differential Breather Kits 170112

Differential Vents, Aluminum, Black, Kit

Part Number: ARB-170112

4.0 out of 5 stars ( 4 )

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