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 38

Mittler Brothers Drain Plugs 1000-320

Mittler Brothers Drain Plugs 1000-320

Drain Plug Assembly, Short, 1/2 in. NPT, Steel, Kit

Part Number: MBT-1000-320

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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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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Zoom Sport Compact Stage 3 Clutch Sets for 1986 CAPRI, 1986-2001 MUSTANG - F3-48S

Clutch Kit, Stage 3, Ceramic, 1.062 in. Shaft, 26-Spline, TKO, 10.5 in. Disc, Ford, Kit

Part Number: ZZZ-F3-48S

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 15, 2026 if ordered today

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Estimated Ship Date: Jul 15, 2026 if ordered today

Zoom Sport Compact Stage 3 Clutch Sets for 1982-1986 CAPRI, 1986-2001 MUSTANG - F3-48

Clutch Kit, Stage 3, Ceramic, 1.062 in. Shaft, 10-Spline, 10.5 in. Disc, Ford, 5.0L, Kit

Part Number: ZZZ-F3-48

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Jul 20, 2026 if ordered today

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Estimated Ship Date: Jul 20, 2026 if ordered today

PEM Racing Weld-In Drain Bungs HDB34

Drain Plug Bung, 3/4 in. NPT, Steel, Weld-in, Each

Part Number: PE2-HDB34

Not Yet Reviewed

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American Autowire Torque Converter Lockup Kits 500412

Torque Converter Lockup Kit, Pressure Switch, In-line Fuse, GM, 200-4R, 700R4, 4L60, Kit

Part Number: AWW-500412

4.06 out of 5 stars ( 16 )

Estimated Ship Date: Today

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B&M Drain Plug Kits 80250

Drain Plug, 1/2 in.-20 Outside Threads, 1/8 in. NPT Plug, Kit

Part Number: BMM-80250

3.57 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Derale Universal Transmission Pan Drain Plug Kits 13010

Transmission Pan Drain Plug Kit, Bolt On Installation

Part Number: DER-13010

2.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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XClutch Stage 1 Clutch Kits for 2023-2025 GR COROLLA - XKTY24447-1G

Clutch Kit Inc Hydraulic Release Bearing; Stage 1 Solid Organic Clutch Disc

Part Number: XCL-XKTY24447-1G

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

XClutch Stage 2R Clutch Kits for 2023-2025 GR COROLLA - XKTY24646-1R

Clutch Kit Inc Flywheel + HRB; Stage 2R Single Ceramic Race Disc

Part Number: XCL-XKTY24646-1R

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

TCI Universal Drain Plug Kits 805800

Drain Plug Kit, Pan Insert, Drain Plug, Sealing Washer, Kit

Part Number: TCI-805800

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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XCLUTCH - Clutch Kits for 2023-2025 GR COROLLA - XKTY18628-2B

KIT MSP TOYO GR COROLLA 1.6L inc SMF+CSC

Part Number: XCL-XKTY18628-2B

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

XCLUTCH - Clutch Kits for 2016-2023 TACOMA - XKTY28044-1A

KIT HD TOYOTA TACOMA 3.5L

Part Number: XCL-XKTY28044-1A

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

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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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 )

Estimated Ship Date: Today

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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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ARB Differential Breather Kits 170112

Differential Vents, Aluminum, Black, Kit

Part Number: ARB-170112

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Sonnax Pressure Regulator and Shuttle Valve Kits 154740-02K

REG SHUTTLE VALVE KIT

Part Number: SOX-154740-02K

Not Yet Reviewed

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Lokar Hi-Tech Kickdown Kits KDP-2700HT

Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Polished Aluminum Fittings, GM, 700R4, Kit

Part Number: LOK-KDP-2700HT

5.0 out of 5 stars ( 3 )

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Lokar Hi-Tech Kickdown Kits KD-2700TP

Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Natural Aluminum Fittings, GM, 700R4, Kit

Part Number: LOK-KD-2700TP

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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TCI Transmission Seal-Up Kits 890900

Kit Spare Transmission Seal-Up Powerglide/TH350/TH400

Part Number: TCI-890900

4.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Lokar Hi-Tech Kickdown Kits KD-2350TPU

Automatic Transmission Kickdown Cable, Hi-Tech, Black Vinyl, Natural Aluminum Fittings, GM, TH350, Kit

Part Number: LOK-KD-2350TPU

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Lokar Midnight Series Stainless Steel Hi-Tech Kickdown Kits XKD-2700TP

Automatic Transmission Kickdown Cable, Midnight Series Hi-Tech, Black Braided Stainless Steel, Black Aluminum Fittings, GM, 700R4, Kit

Part Number: LOK-XKD-2700TP

Not Yet Reviewed

Estimated Ship Date: Today

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Lokar Hi-Tech Kickdown Kits KDP-2350HT

Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Polished Aluminum Fittings, GM, TH350, Kit

Part Number: LOK-KDP-2350HT

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Lokar Hi-Tech Kickdown Kits KD-2350TP

Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Natural Aluminum Fittings, GM, TH350, Kit

Part Number: LOK-KD-2350TP

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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