Performance & Replacement Transmission & Drivetrain Parts

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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 28

Transmission Specialties Powerglide 4340 Steel Input Shafts 2518

Transmission Specialties Powerglide 4340 Steel Input Shafts 2518

Automatic Transmission Input Shaft, Hardened, 4340 Steel, Powerglide, GM, Each

Part Number: TOS-2518

Not Yet Reviewed

Estimated Ship Date: Today

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RAM Billet Aluminum 184-Tooth Flywheel 2518

Flywheel, Billet Aluminum, 184-Tooth, External 28 oz. Engine Balance, 18.000 lbs., 2-Piece Rear Main Seal, SFI 1.1, Ford, FE, Each

Part Number: RAM-2518

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

Lokar Hi-Tech Kickdown Kits KD-2518HT

Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Natural Aluminum Fittings, Mopar, A-518, Kit

Part Number: LOK-KD-2518HT

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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FTI Performance Powerglide Input Shafts F2518

POWER GLIDE INPUT SHAFT, POWERGLIDE SPLINE, 4340

Part Number: FTI-F2518

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Lokar Hi-Tech Kickdown Kits KD-2518U

Automatic Transmission Kickdown Cable, Hi-Tech, Black Vinyl, Natural Aluminum Fittings, Mopar, A-518, Kit

Part Number: LOK-KD-2518U

Not Yet Reviewed

Estimated Ship Date: Today

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TCI PRO-X 4,000-4,800 Stall Torque Converter 251804

Torque Converter, Custom Order, Pro-X, Chevy, TH350/TH400, Each

Part Number: TCI-251804

Not Yet Reviewed

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All Balls Driveshaft Support Carrier Bearings 25-1819

Utv drive shaft support bearing

Part Number: ALB-25-1819

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

Spicer Select U-Joints 25-188X

Universal Joint Greaseable 1480 Series OSR - Chevrolet 2001-06 Silverado 2500 HD , 2001-07 Silverado 3500 , Dodge 2004 Ram 2500 , 2006 Ram 2500

Part Number: SCY-25-188X

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

TCI PRO-X 4,800-5,800 Stall Torque Converter 251800

Torque Converter, PRO-X, Chevy, TH350/TH400, Each

Part Number: TCI-251800

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

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All Balls Wheel Bearings 25-1804

Lower steering bearing kit

Part Number: ALB-25-1804

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

All Balls Wheel Bearings 25-1802-HP

Tapered dac wheel bearing

Part Number: ALB-25-1802-HP

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

FAG USA Wheel Bearing Seals SS2518

Seal Various Makes 66-13

Part Number: FWB-SS2518

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

TCI Auto Torque Converters 251862

9.5 PRO-X TURBO C 250+

Part Number: TCI-251862

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

All Balls Wheel Bearings 25-1812-HP

Tapered dac wheel bearing

Part Number: ALB-25-1812-HP

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

All Balls Powersports Drivetrain Bearings and Seals ALB-25-1836

WHEEL BEARING KIT SEG

Part Number: ALB-25-1836

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

All Balls Powersports Drivetrain Bearings and Seals ALB-25-1834

WHEEL BEARING KIT KAW

Part Number: ALB-25-1834

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

All Balls Wheel Bearings 25-1822

WHEEL BEARING KIT

Part Number: ALB-25-1822

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

BikeMaster Sprockets 25187645

BM REAR SPROCKET 525 45T

Part Number: BKM-25187645

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

All Balls Powersports Drivetrain Bearings and Seals ALB-25-1849

WHEEL BEARING KIT FRONT

Part Number: ALB-25-1849

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

All Balls Powersports Drivetrain Bearings and Seals ALB-25-1833

WHEEL BEARING KIT FRONT

Part Number: ALB-25-1833

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

All Balls Powersports Drivetrain Bearings and Seals ALB-25-1835

WHEEL BEARING KIT SEG

Part Number: ALB-25-1835

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

All Balls Powersports Drivetrain Bearings and Seals ALB-25-1847

WHEEL BEARING KIT REAR

Part Number: ALB-25-1847

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

All Balls Powersports Drivetrain Bearings and Seals ALB-25-1845

WHEEL BEARING KIT REAR

Part Number: ALB-25-1845

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

Lokar Hi-Tech Kickdown Kits KDP-2518HT

Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Polished Aluminum Fittings, Dodge, Chrysler 518, Kit

Part Number: LOK-KDP-2518HT

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

All Balls Powersports Drivetrain Bearings and Seals ALB-25-1846

WHEEL BEARING KIT REAR

Part Number: ALB-25-1846

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

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