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 2000 +

Trail-Gear Rock Assault Fully Built Axle Assemblies for 1988-1995 4RUNNER, PICKUP, 1995-2004 TACOMA - 301213-1-KIT

Rear Rock Assault Ifs Width Fully Built V6 5.29 Detroit Toyota

Part Number: TGI-301213-1-KIT

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™ SFI-Approved 168-Tooth Flexplate SUM-G100SFI

Flexplate, 168-Tooth, Internal Engine Balance, 2-Piece Rear Main Seal, SFI 29.1, Chevrolet, V8, Each

Part Number: SUM-G100SFI

4.3 out of 5 stars ( 141 )

Estimated Ship Date: Tomorrow

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Trail-Gear Rock Assault Fully Built Axle Assemblies for 1985-1995 4RUNNER, 1979-1995 PICKUP, 1995-2004 TACOMA - 301567-1-KIT

AXLE, REAR, ROCK ASSAULT, +2 WIDTH, FULLY BUILT, 4-CYL, 4.88, GRIZZLY, TOYOTA

Part Number: TGI-301567-1-KIT

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

Trail-Gear Rock Assault Fully Built Axle Assemblies for 1985-1995 4RUNNER, 1979-1995 PICKUP, 1995-2004 TACOMA - 301305-1-KIT

Front Rock Assault +5 Width Fully Built Rhd Hi-Pinion 5.29 Detroit Locking Hubs Toyota

Part Number: TGI-301305-1-KIT

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

Low Range Off-Road Wheel Bearings for 1984-1985 4RUNNER, 1975-1990 LAND CRUISER, 1979-1985 PICKUP - TAX-WBKKOYO

Wheel Bearing, Japanese Built, Front Axle, Outer, Toyota, Pickup, 4Runner, Land Cruiser, Kit

Part Number: LRO-TAX-WBKKOYO

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Trail Gear Axle Assemblies TGI-311594

Fully Built Toyota 8.4" Differentials - Spool 5.29 Standard

Part Number: TGI-TGI-311594

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

GSP New CV Axle Assemblies for 2019-2021 RAV4 - NCV69151

2019-21; Toyota Rav4 AWD Japan Built; (Front Right)

Part Number: GNA-NCV69151

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

GSP New CV Axle Assemblies for 2019-2021 RAV4 - NCV69150

2019-21; Toyota RAV4 FWD Japan Built; (Front Right)

Part Number: GNA-NCV69150

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

Pioneer Clutch Forks CF-127

Clutch Fork, Steel, GM #15687298, Fits GM C60/C70 Series Trucks and Buses with Fuller FS4 Transmission, New Design with Extension Built-In, Each

Part Number: PIO-CF-127

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

TransGo Performance Automatic Transmission Rebuild Components 4L80E-PR

4L80E: PR Valve & End Plug (Drop-in) Line to Lube built-in (2nd Design)

Part Number: TRG-4L80E-PR

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

TransGo Performance Automatic Transmission Rebuild Components 4L80E-PRBST

4L80E: PR & Boost Line-up (Drop-in) Line to Lube built-in

Part Number: TRG-4L80E-PRBST

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Summit Racing™ SFI-Approved 168-Tooth Flexplate SUM-G104SFI

Flexplate, 168-Tooth, External Engine Balance, 1-Piece Rear Main Seal, SFI 29.1, Chevy, V6/V8, Each

Part Number: SUM-G104SFI

4.26 out of 5 stars ( 58 )

Estimated Ship Date: Tomorrow

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Strange Heavy Duty U-Joint Girdles U1610HD

Strange Heavy Duty U-Joint Girdles U1610HD

U-Joint Girdles, Steel, Natural, Spicer 1350 Style, Pair

Part Number: STR-U1610HD

4.63 out of 5 stars ( 30 )

Estimated Ship Date: Tomorrow

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Summit Racing™ SFI-Approved 168-Tooth Flexplate SUM-G102SFI

Flexplate, 168-Tooth, External Engine Balance, 2-Piece Rear Main Seal, SFI 29.1, Chevy, 454, Each

Part Number: SUM-G102SFI

4.49 out of 5 stars ( 59 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Transmission Yokes SUM-731001

Transmission Yoke, 32-spline, Steel, 1350 U-Joint, 6.250 in. Overall Length, GM TH400, Doug Nash, Borg Warner Super T-10, Richmond Super T-10, Each

Part Number: SUM-731001

4.65 out of 5 stars ( 23 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Transmission Yokes SUM-731000

Yoke, Transmission, Cast Steel, 27-Spline, 1350, 200-4R/4L60/4L60E/700R4/Muncie/Powerglide/TH350/Brinn, Each

Part Number: SUM-731000

4.36 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

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J.W. Performance Ultra-Bell Bellhousings for TH350/TH400 92451

Bellhousing, Automatic, Aluminum, GM, Small block/Big Block, TH350/TH400, Each

Part Number: JPT-92451

4.62 out of 5 stars ( 39 )

Estimated Ship Date: Tomorrow

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Summit Racing™ SFI-Approved 168-Tooth Flexplate SUM-G101SFI

Flexplate, 168-Tooth, External Engine Balance, 2-Piece Rear Main Seal, SFI 29.1, Chevy, 400, Each

Part Number: SUM-G101SFI

4.24 out of 5 stars ( 45 )

Estimated Ship Date: Tomorrow

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FTI Performance ESR Series 2,800-3,200 Stall Torque Converter ESRL3082

Torque Converter, ESR Series, 9.50 in. Diameter, 2,800 to 3,000 rpm Flash Stall, 700R4, Lockup, Each

Part Number: FTI-ESRL3082

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Summit Racing™ SFI-Approved 157-Tooth Flexplate SUM-G110SFI

Flexplate, 157-Tooth, External Engine Balance, 50 oz. Imbalance, SFI 29.1, Ford, Small Block, Each

Part Number: SUM-G110SFI

4.18 out of 5 stars ( 44 )

Estimated Ship Date: Tomorrow

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Summit Racing™ SFI-Approved 168-Tooth Flexplate SUM-G105SFI

Flexplate, 168-Tooth, Internal Engine Balance, SFI 29.1, Chevy, GM LS Gen III/IV, Each

Part Number: SUM-G105SFI

3.64 out of 5 stars ( 25 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

QuickTime Bellhousings RM-6022

Bellhousing, Quick Time, Steel, Gold Iridited, SFI Approved, Chevy, V6-V8, to Manual Transmission, Kit

Part Number: QTI-RM-6022

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Ford 9 in. Trac-Loc 31 Spline Differential Ford 9 Inch SUM-CTF9TRACL31

Differential, Trac-Loc, Ford, 9 in., 31-Spline, Each

Part Number: SUM-CTF9TRACL31

4.56 out of 5 stars ( 18 )

Estimated Ship Date: Tomorrow

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B&M Street and Strip Transmissions 117308

Automatic Transmission, Forward Shift Pattern, Automatic Valve Body, Chevy, 4L60E, RWD, Each

Part Number: BMM-117308

3.67 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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TCI Heavy-Duty RV Transmissions 211001

Automatic Transmission, Remanufactured, Forward Shift Pattern, Automatic Valve Body, Chevy, TH400, Each

Part Number: TCI-211001

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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