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 958

Sierra Marine Roller Bearings 18-1113

Roller Bearing, Reverse Gear, Chrysler/Force/US Marine, Mercury, Each

Part Number: RRA-18-1113

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Summit Racing™ Governor Recalibration Kits SUM-700316

Governor Recalibration Kit, TH350, TH400, 700R4, Kit

Part Number: SUM-700316

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

Sierra Marine Roller Bearings 18-1157

Roller Bearing, Inside Forward Gear, for use on Honda®, Chrysler/Force/US Marine, Mercury Marine, Each

Part Number: RRA-18-1157

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Sierra Marine Ball Bearings 18-1190

Ball Bearing, Single Row, Reverse Gear, Chrysler/Force/US Marine, Mercury Marine, Each

Part Number: RRA-18-1190

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Sierra Marine Oil Seals 18-2054

Oil Seal, 0.375 in. Shaft Size, 0.750 in. O.D., 0.243 in. Width, Chrysler, Force, US Marine, Honda Outboard, Mercury Marine, Each

Part Number: RRA-18-2054

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Longfield Axle Shaft and Birfield Joint Kits 303401-1-KIT

Longfield 30-Spline Birfield/Axle, Non US Models, LJ70, LJ71, LJ73, LJ74, LJ78, RJ70, RJ73, RJ78, KZJ70, KZJ71, KZJ77, Bundera, Kit

Part Number: LSA-303401-1-KIT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Sierra Marine Rope Seal Gaskets 18-2534

Marine Drive Unit Components, Lower Unit Rope Seal, 40.00 in. Length, Chrysler, Force, US Marine, Johnson/Evinrude, Each

Part Number: RRA-18-2534

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Sierra Marine Needle Bearings 18-1117

Needle Bearing, Chrysler/Force/US Marine, Mercury, OMC, Each

Part Number: RRA-18-1117

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Sierra Marine Intake Manifold Gaskets 18-0869-9

Gaskets, Manifold, Transfer Port Cover, Stock Replacement, Chrysler/Force/US Marine, Pair

Part Number: RRA-18-0869-9

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Sierra Marine Needle Bearings 18-4036-9

Needle Bearing, Piston End, Chrysler/Force/US Marine, Mercury Marine, Set of 200

Part Number: RRA-18-4036-9

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Sierra Marine Oil Seals 18-0585

Oil Seal, 0.687 in. Shaft Size, 1.125 in. O.D., 0.312 in. Width, Chrysler, Force, US Marine, Mercury Marine, Each

Part Number: RRA-18-0585

Not Yet Reviewed

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

Sierra Marine Oil Seals 18-2053

Oil Seal, 1.185 in. Shaft Size, 1.754 in. O.D., 0.360 in. Width, Chrysler, Force, US Marine, Honda Outboard, Mercury Marine, Each

Part Number: RRA-18-2053

Not Yet Reviewed

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

Sierra Marine Oil Seals 18-2056

Oil Seal, 0.875 in. Shaft Size, 1.381 in. O.D., 0.250 in. Width, Chrysler, Force, US Marine, Mercruiser Stern Drive, Mercury Marine, Each

Part Number: RRA-18-2056

Not Yet Reviewed

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

Sierra Marine Oil Seals 18-2051

Oil Seal, 0.875 in. Shaft Size, 1.253 in. O.D., 0.278 in. Width, Chrysler, Force, US Marine, Mercury Marine, Each

Part Number: RRA-18-2051

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Sierra Marine Oil Seals 18-2052

Oil Seal, 0.875 in. Shaft Size, 1.314 in. O.D., 0.322 in. Width, Chrysler, Force, US Marine, Mercury Marine, Each

Part Number: RRA-18-2052

Not Yet Reviewed

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

Sierra Marine Oil Seals 18-2076

Oil Seal, 1.188 in. Shaft Size, 1.690 in. O.D., 0.360 in. Width, Chrysler, Force, US Marine, Mercury Marine, Mercruiser Stern Drive, Each

Part Number: RRA-18-2076

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Sierra Marine Oil Seals 18-2077

Oil Seal, 1.188 in. Shaft Size, 1.689 in. O.D., 0.247 in. Width, Chrysler, Force, US Marine, Mercury Marine, Mercruiser Stern Drive, Each

Part Number: RRA-18-2077

Not Yet Reviewed

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

Sierra Marine Oil Seals 18-0502

Oil Seal, Chrysler, Force, US Marine, Mercury Sport Jet, Sears, Each

Part Number: RRA-18-0502

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Sierra Marine Oil Seals 18-0522

Oil Seal, 37.4mm I.D., 26.5mm O.D., 4.7mm Width, Chrysler, Force, US Marine, Honda, Mercury Marine, Each

Part Number: RRA-18-0522

Not Yet Reviewed

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

Sierra Marine Oil Seals 18-8354

Oil Seal, Chrysler, Force, US Marine, Mercury Sport Jet, Each

Part Number: RRA-18-8354

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Sierra Marine Oil Seals 18-0579

Oil Seal, 29mm Shaft Size, 33.4mm O.D., 8.5mm Width, Chrysler, Force, US Marine, Mercury Marine, Each

Part Number: RRA-18-0579

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Sierra Marine Oil Seals 18-0580

Oil Seal, 0.750 in. Shaft Size, 1.250 in. O.D., 0.312 in. Width, Chrysler, Force, Johnson/Evinrude Outboard, US Marine, Mercury Marine, Each

Part Number: RRA-18-0580

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Sierra Marine Oil Seals 18-0581

Oil Seal, 0.500 in. Shaft Size, 0.984 in. O.D., 0.200 in. Width, Chrysler, Force, US Marine, Mercury Marine, Sears, Each

Part Number: RRA-18-0581

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Sierra Marine Oil Seals 18-0583

Oil Seal, 1.063 in. Shaft Size, 1.496 in. O.D., 0.197 in. Width, for use on Honda® Outboard, Chrysler, Force, US Marine, Mercury Marine, Each

Part Number: RRA-18-0583

Not Yet Reviewed

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

Sierra Marine Oil Seals 18-0584

Oil Seal, 0.056 in. Shaft Size, 1.000 in. O.D., 0.312 in. Width, Chrysler, Force, US Marine, Mercury Marine, Each

Part Number: RRA-18-0584

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Longfield Drivetrain Axle Shafts, Direct Fit 303310-1-KIT

NON-US MODELS: Toyota Land Cruiser II, Bundera, Prado (70 Series Only), LJ70, LJ71, LJ73, LJ74, LJ78, RJ70. RJ

Part Number: LSA-303310-1-KIT

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

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