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 60

Spicer Select U-Joints 25-153X

U-Joint, Spicer 1310 Style, Greasable, Steel, Round Plain Type A/Type B Bearing Caps, for Nissan, AMC, Chevy, Ford, GMC, Jeep, Olds, Pontiac, Each

Part Number: SCY-25-153X

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Summit Racing™ Billet Steel 153-Tooth Flywheel SUM-700183

Flywheel, Billet Steel, 153-Tooth, 25 lb. Internal Balance, 10.50 in. Clutch, Chevy, Big, Small Block, Each

Part Number: SUM-700183

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Yukon Gear & Axle Differential Cover Bolts YSPBLT-075

Differential Cover Bolt, Steel, Black, Hex Head, 0.500 in. Wrench Size, Dana 25, 27, 30, 44, Model 35, GM 7.5 in., GM 8.2 in., Each

Part Number: YGA-33286

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

OMIX-ADA Axle Shafts 16523.01

Axle Shaft, Front Inner and Outer, Driver Side, 10-spline, Steel, Dana 25, Dana 27, Jeep, Each

Part Number: OMX-1652301

Not Yet Reviewed

Estimated Ship Date: Jul 15, 2026 if ordered today

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Estimated Ship Date: Jul 15, 2026 if ordered today

Powertrax Lock-Right Lockers Dana 25 2110-LR

Differential, Lock-Right, Locker, 10-Spline, Dana, 25, Front, Each

Part Number: PWT-2110-LR

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Crown Automotive Ring Gear Bolt Locking Straps A792

Ring Gear Fastener, Ring Gear Bolt Locking Strap, Steel, Natural, Dana 25, Dana 27, Each

Part Number: CWA-A792

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Crown Automotive Spider Gear Kits J0926544

Spider Gears, Side Gears, Cross Shaft Pin, Cross Shaft, Thrust Washers, Open, 10 Spline, Dana 25, Dana 27, Kit

Part Number: CWA-J0926544

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 10, 2026 if ordered today

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Estimated Ship Date: Jul 10, 2026 if ordered today

Crown Automotive Axle Seals JA000779

Axle Seal, Inner, Front, Dana 25, Dana 27, Jeep, Each

Part Number: CWA-JA000779

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Spicer Select U-Joints 25-160X

U-Joint, Spicer 1410 Style, Greasable, Steel, Cadillac, Chevy, Dodge, Ford, GMC, for Infiniti, Isuzu, Jaguar, Lagonda, for Nissan, Ram, Each

Part Number: SCY-25-160X

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Spicer Drivetrain Products Pinion Oil Slingers and Baffles 13575

Outer Pinion Bearing Oil Slinger, Dana 30, Dana Super 30, Dana 25, Dana 27, Dana 44, Front, Rear, Each

Part Number: SDH-13575

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Crown Automotive Differential Carrier Replacement Parts JA000797

Thrust Washer, Differential Carrier Replacement Part, Dana 25, Dana 27, Jeep, Willys, Each

Part Number: CWA-JA000797

Not Yet Reviewed

Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

OMIX-ADA Ring and Pinion Gears 16513.02 Dana 25 4.88 Gears

Ring and Pinion Gears, 4.88:1 Ratio, Standard Ring Gear Rotation, Front, Dana 25, Set

Part Number: OMX-1651302

Not Yet Reviewed

Estimated Ship Date: Jul 15, 2026 if ordered today

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Estimated Ship Date: Jul 15, 2026 if ordered today

Spicer Select U-Joints 25-134X

U-Joint, 1310 to 1330 Conversion Style, Greasable, Steel, Ford, Lincoln, Mercury, Each

Part Number: SCY-25-134X

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Yukon Gear & Axle Pinion Nut Washers YSPPN-029

Pinion Nut Washer, Dana 25, Dana 27, Dana 30, Dana 36, Dana 44, Dana 53, Each

Part Number: YGA-33163

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Yukon Gear & Axle Axle and General Purpose Seals YMS99155

5778, Dana 25, Dana 27, Dana 30, Dana 44, Dana 50 REDI sleeve yoke saver

Part Number: YGA-30222

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Spicer Select U-Joints 25-178X

U-Joint, Spicer 1350 Style, Greasable, Steel, Each

Part Number: SCY-25-178X

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

OMIX-ADA Axle Drive Flanges 16750.08

FLANGE AXLE DANA 25/27

Part Number: OMX-1675008

Not Yet Reviewed

Estimated Ship Date: Jul 15, 2026 if ordered today

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Estimated Ship Date: Jul 15, 2026 if ordered today

OMIX-ADA Differential Carrier Replacement Parts 16509.03

CUP DIFFERENTIAL SIDE DANA 25/27

Part Number: OMX-1650903

Not Yet Reviewed

Estimated Ship Date: Jul 15, 2026 if ordered today

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Estimated Ship Date: Jul 15, 2026 if ordered today

RAM Assault Weapon Clutch Kits 9351S

RAM Assault Weapon Clutch Kits 9351S

Clutch Kit, Assault Weapon, Rametallic, 1 1/8 in.- 10-Spline, 6.25 in. Disc, Chevy, Circle Track, Kit

Part Number: RAM-9351S

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Auburn Gear Grip-N-Loc 19 Spline Differential Dana 44 546084

Differential, Auburn, Grip-N-Loc, Limited Slip, 19-Spline, Chevrolet, Dodge, Ford, Jeep, Dana 44, Each

Part Number: AUB-546084

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Auburn Gear Grip-N-Loc 17 Spline Differential GM 55P (8.2 Inch Drop out) 5460100

Differential, Auburn, Grip-N-Loc, Limited Slip, 17-Spline, Chevrolet, 8.2 in., 8.4 in., Each

Part Number: AUB-5460100

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Yukon Gear & Axle 1541H Alloy Axles for 1955 BEL AIR, 1956 CORVETTE, 1955-1956 NOMAD - YA G55PKIT-A

Axle Shafts, Rear, C-clip, 17-spline Inner, 1541H Chromoly, GM 8.2 in., Pair

Part Number: YGA-21637

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

RAM Assault Weapon Clutch Kits 9353S

Clutch Kit, Assault Weapon, 3-Disc Button, 1 5/32 in.- 26-Spline, 6.25 in. Disc, Chevy, Kit

Part Number: RAM-9353S

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

RAM Assault Weapon Clutch Kits 9651S

Clutch System 6.25" Assault Weapon 2 Disc Button Early Chevy 1 1/8"-10

Part Number: RAM-9651S

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

McLeod Steel 153-Tooth Flywheel 460370

Flywheel, Steel, 153-Tooth, 30 lb., Internal/External Engine Balance, Chevy, T-56 Transmission, Each

Part Number: MCL-460370

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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