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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Crown Automotive Transfer Case Rebuild Kits D20-MASKIT

Crown Automotive Transfer Case Rebuild Kits D20-MASKIT

Transfer Case Rebuild Kit, Dana 20, Kit

Part Number: CWA-D20MASKIT

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Yukon Gear & Axle Master Overhaul Kits YK F9.75-D

Ring and Pinion Installation Kit, Ford 9.75 in., Rear, Kit

Part Number: YGA-14202

3.5 out of 5 stars ( 2 )

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Yukon Gear & Axle Master Overhaul Kits for 2015-2023 F-150, MUSTANG - YK F8.8-D

Ring and Pinion Gear Installation Kit, Master Overhaul, Ford 8.8 in., 34-Spline, Kit

Part Number: YGA-14223

5.0 out of 5 stars ( 1 )

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Yukon Gear & Axle Master Overhaul Kits for 2014-2018 3500 - YK AAM11.5-D

Differential Rebuild Kits, Yukon Master Overhaul kit for '14 & up AAM 11.5-IN. & 11.8

Part Number: YGA-14228

Not Yet Reviewed

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Yukon Gear & Axle Master Overhaul Kits for 1986-1995 4RUNNER, PICKUP - YK T8-D

Installation Kit, Master Overhaul, Toyota 8 in., Toyota 7.8 in., Kit

Part Number: YGA-14178

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Yukon Gear & Axle Master Overhaul Kits YK F9-D

Installation Kit, Master Overhaul, Ford 9 in., Kit

Part Number: YGA-14055

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Yukon Gear & Axle Master Overhaul Kits for 2011-2022 F-250 SUPER DUTY, F-350 SUPER DUTY - YK F10.5-D

Ring and Pinion Installation Kit, Ford 10.5 in., 2011-Newer, Fits 37 Spline Pinion, Kit

Part Number: YGA-14201

Not Yet Reviewed

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Yukon Gear & Axle Master Overhaul Kits YK C8.75-D

Installation Kit, Master Overhaul, Chrysler 8.75 in., 741 Case, Kit

Part Number: YGA-14009

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

Yukon Gear & Axle Master Overhaul Kits YK F9-HIPIN-D

Installation Kit, Master Overhaul, Ford 9 in., Kit

Part Number: YGA-14061

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Ford Genuine Parts Water Neck Gaskets and O-Rings FT4Z-6N652-D

Water Neck O-Ring, Rubber, Ford, Each

Part Number: FRD-FT4Z-6N652-D

Not Yet Reviewed

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Motion Pro Terminator LW Clutch Cables 06-0293

CABLE TERM CLUTCH H-D

Part Number: MNP-06-0293

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

Strange Lightweight Pro Race Spools D2000

Spool, Full Size, Steel, 40-Spline, 10-Bolt, Ford 9 in., Each

Part Number: STR-D2000

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Strange Lightweight Pro Race Spools D2002

Spool, Full Size, Steel, 40-Spline, 10-Bolt, Ford 9 in., Each

Part Number: STR-D-2002

Not Yet Reviewed

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Motive Gear Ring and Pinion Sets D205-336 Dana M205 3.36 Gears

Ring and Pinion, RP DANA 205 3.36 '04-'14 FRONT

Part Number: MGR-D205-336

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

Motive Gear Ring and Pinion Sets D205-294 Dana M205 2.94 Gears

Ring and Pinion, RP DANA 205 2.94 '04-'14 FRONT

Part Number: MGR-D205-294

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

McLeod Flywheel Bolt Kits 1540

Flywheel Bolts, 12-Point Head, 7/16 in.-20 Thread, 1.0 in. Length, Set of 6

Part Number: MCL-1540

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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PRW Flexplate Fasteners 1003902

Flexplate Bolts, SCM-4141 Alloy Steel, 12--point, 7/16 in.- 20 RH, .688 in. length, Chevy, Ford, Set of 6

Part Number: PQX-1003902

Not Yet Reviewed

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DRP Performance Premium Low Drag Bearing Kits 007 10585BR

Wheel Bearings, Premium Low Drag, Steel Roller Bearing, Bearing Races, Front Inner, Front Outer, Kit

Part Number: DPR-00710585BR

Not Yet Reviewed

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PRW Flywheel Fasteners 1001102

Flywheel Bolts, Heat Treated Steel, 12 point, 7/16 in.- 20 RH, 1.00 in. length, Chevy, Ford, Set of 6

Part Number: PQX-1001102

Not Yet Reviewed

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Ford Performance Parts 164-Tooth Flywheel M-6375-M50

Flywheel, Billet Steel, 164-tooth, 20 lbs., Internal Engine Balance, SFI 1.1, Ford, 4.6L, 5.0L, Each

Part Number: FMS-M-6375-M50

Not Yet Reviewed

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Dorman Flywheel Fasteners 14557

Flywheel Fasteners, 12-point, 7/16-20 in. Thread, Steel, Black, AMC, Ford, GM, Set of 6

Part Number: RNB-14557

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Dorman Flywheel Fasteners 74070

Flywheel Fasteners, 12-point, 7/16-20 in. Thread, Steel, Black, Buick, Cadillac, Chevy, Ford, Jeep, Set of 6

Part Number: RNB-74070

3.88 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Spicer Drivetrain Products Wheel Bearing Seals 35239

Axle Seal, AMC Model 20/Dana 44, Each

Part Number: SDH-35239

1.0 out of 5 stars ( 1 )

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McLeod Replacement Flywheel Friction Plates 563408HSK

Replacement Inserts, McLeod, Friction Plate, Replacement, Billet Steel, 11 in. Diameter, 6.125 in. Inner Diameter, with 20 Mounting Screw, Each

Part Number: MCL-563408HSK

Not Yet Reviewed

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Standard Motor Front Axle Actuators TCA-20

Front Axle Actuator, Aluminum, Silver, Cadillac, Chevy, GMC, Each

Part Number: SMP-TCA20

3.0 out of 5 stars ( 3 )

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

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