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 379

DragonFire Racing Shifter Knobs 04-0904

SHIFT KNOB LONG GRY CARB FBR

Part Number: MMG-04-0904

Not Yet Reviewed

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DragonFire Racing Shifter Knobs 04-0907

SHIFT KNOB SHORT RED CARB FBR

Part Number: MMG-04-0907

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

DragonFire Racing Shifter Knobs 04-0906

SHIFT KNOB SHORT Gray CARB FBR

Part Number: MMG-04-0906

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

EPI Performance Universal Joints 23-0980

U-Joint, Greasable, Steel, Polaris, Each

Part Number: ERL-WE100338

Not Yet Reviewed

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Yukon Gear & Axle Dura Grip Positraction Carriers GM 8.5/8.6 Inch YDGGM8.5-3-30-1

Dura Grip Positraction Carrier, Traction-Loc, GM 8.5/8.6 in., 30 Spline, 2.73 Up Ratio, Each

Part Number: YGA-26016

4.25 out of 5 stars ( 36 )

Estimated Ship Date: Today

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B&M Tork Master 2,300-2,500 Stall Torque Converter 20404

Torque Converter, Tork Master, 2,300-2,500 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20404

4.44 out of 5 stars ( 39 )

Estimated Ship Date: Today

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Yukon Gear & Axle Dura Grip Positraction Carriers GM 8.5 Inch YDGGM8.5-3-28-1

Dura Grip Positraction Carrier, Traction-Loc, GM 8.5 in., 28 Spline, 2.73 Up Ratio, Each

Part Number: YGA-26015

4.64 out of 5 stars ( 11 )

Estimated Ship Date: Today

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B&M StarShifters 80675

Automatic Shifter, StarShifter, Chevy, Ford, Lincoln, Mercury, Mopar, Each

Part Number: BMM-80675

4.64 out of 5 stars ( 158 )

Estimated Ship Date: Today

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Eaton Detroit Truetrac 28 Spline Differential GM 8.5 Inch 912A556

Differential, Eaton Detroit Truetrac, 28-Spline, GM, 8.5 in., Rear, Each

Part Number: ETN-912A556

4.84 out of 5 stars ( 31 )

Estimated Ship Date: Today

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B&M Truck Megashifters 80680

Automatic Shifter, Megashifter, Chevy, Mopar, Ford, Lincoln, Mercury, Each

Part Number: BMM-80680

4.73 out of 5 stars ( 59 )

Estimated Ship Date: Today

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B&M Tork Master 1,900-2,100 Stall Torque Converter 20400

Torque Converter, Tork Master, 1,900-2,100 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20400

4.34 out of 5 stars ( 79 )

Estimated Ship Date: Today

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B&M Unimatic Shifters 80775

Automatic Shifter, Unimatic, Chevy, Mopar, Ford, Lincoln, Mercury, Each

Part Number: BMM-80775

4.3 out of 5 stars ( 73 )

Estimated Ship Date: Today

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B&M Sport Shifters 80776

Automatic Shifter, Sport, Chevy, Mopar, Ford, Cable Operated, T-Handle, Each

Part Number: BMM-80776

4.14 out of 5 stars ( 50 )

Estimated Ship Date: Today

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B&M Pro Ratchet Shifters 80842

Shifter, Automatic Transmission, Pro Ratchet, 3-, or 4-Speed, Forward or Reverse Pattern, Aluminum Cover, Ford, GM, Lincoln, Mercury, Mopar, Each

Part Number: BMM-80842

4.71 out of 5 stars ( 73 )

Estimated Ship Date: Today

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Motive Gear Ring and Pinion Sets GM10-411A GM 8.5/8.6 in. 4.11 Gears

Ring and Pinion Gears, 4.11:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: MGR-GM10-411A

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Motive Gear Ring and Pinion Sets GM10-373 GM 8.5/8.6 in. 3.73 Gears

Gear, Ring and Pinion, 3.73 Ratio, GM, 8.5 in/8.6 in., Set

Part Number: MGR-GM10-373

4.74 out of 5 stars ( 19 )

Estimated Ship Date: Today

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B&M Holeshot 2,900-3,200 Stall Torque Converter 20483

Torque Converter, Holeshot, 2,900-3,200 rpm Stall Range, GM, THM350/THM400, Each

Part Number: BMM-20483

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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B&M Automatic Transmission Deep Pans 20280

Transmission Pan, Deep, Aluminum, Natural, GM, TH400, Each

Part Number: BMM-20280

4.59 out of 5 stars ( 58 )

Estimated Ship Date: Today

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B&M Holeshot 1,800-2,200 Stall Torque Converter 20416

Torque Converter, Holeshot, 1,800-2,200 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20416

4.42 out of 5 stars ( 19 )

Estimated Ship Date: Today

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Timken Wheel Bearings SET6

Wheel Bearing, Front, Each

Part Number: TMK-SET6

4.85 out of 5 stars ( 41 )

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Lokar Hi-Tech Kickdown Kits KD-2350HT

Lokar Hi-Tech Kickdown Kits KD-2350HT

Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Natural Aluminum Fittings, GM, TH350, Kit

Part Number: LOK-KD-2350HT

4.89 out of 5 stars ( 38 )

Estimated Ship Date: Today

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B&M QuickSilver Shifters 80683

Shifters, Automatic Transmission, Quick Silver, Ratchet Shifter, 12.23 in. Long Chrome Stick, Black/Chrome Plastic Console, GM, Mopar, Ford, Kit

Part Number: BMM-80683

4.5 out of 5 stars ( 101 )

Estimated Ship Date: Today

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Motive Gear Ring and Pinion Sets GM10-342A GM 8.5/8.625 in. 3.42 Gears

Ring and Pinion Gears, 3.42:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: MGR-GM10-342A

4.41 out of 5 stars ( 17 )

Estimated Ship Date: Today

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Richmond Gear Ring and Pinion Sets 49-0041-1 GM 8.5/8.6 in. 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900411

4.47 out of 5 stars ( 19 )

Estimated Ship Date: Today

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TCI Filler Tubes and Dipsticks 743860

Dipstick with Tube, Transmission, Steel, Black, Locking, TH350, TH400, TH200, 200-4R, Each

Part Number: TCI-743860

3.76 out of 5 stars ( 54 )

Estimated Ship Date: Today

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