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 344

ARP Carrier Fasteners 250-3012

ARP Carrier Fasteners 250-3012

Differential Main Cap Studs, Chromoly, Black Oxide, Washers, Nuts, Ford 9 in., H Case with Hex Nut, Set of 4

Part Number: ARP-250-3012

5.0 out of 5 stars ( 2 )

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Summit Racing™ Differential Bearing Cap Stud Kits SME-85101-1

Stud Kit, Differential Bearing Cap, 8740 Chromoly, Nuts, Washers, Ford, 8.8 in., Kit

Part Number: SME-85101-1

5.0 out of 5 stars ( 1 )

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Moser Engineering Replacement Main Cap Stud Kits 7115

Differential Cap Studs, Chevy, 10-Bolt/12-Bolt, Kit

Part Number: MSR-7115

4.87 out of 5 stars ( 15 )

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Trick Flow® 10 Bolt GM 8.5/8.6 Inch Differential Cover TFS-8510300

Differential Cover, Bearing Cap Supports, Aluminum, GM 10-Bolt, 8.5 in., 8.6 in., Rear Axle, Each

Part Number: TFS-8510300

4.76 out of 5 stars ( 45 )

Estimated Ship Date: Today

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Trick Flow® Differential Bearing Cap Stud Kits TFS-85101-1

Stud Kit, Carrier Bearing Cap, Chromoly Steel, Nuts, Washers, Ford, 8.8 in., Kit

Part Number: TFS-85101-1

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Summit Racing™ Differential Bearing Cap Stud Kits SME-85102-1

Stud Kit, Differential Bearing Cap, 8740 Chromoly, Nuts, Washers, GM, 8.875 in., Kit

Part Number: SME-85102-1

5.0 out of 5 stars ( 6 )

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Strange Billet Aluminum Differential Main Bearing End Caps H1121

Differential Main Bearing Caps, Billet Aluminum, GM, 8.875 in., Pair

Part Number: STR-H1121

4.33 out of 5 stars ( 6 )

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Trick Flow® 10 Bolt Ford 8.8 Inch Differential Cover TFS-8510500

Differential Cover, Bearing Cap Supports, Aluminum, Ford 8.8 in. Rear Axle, Each

Part Number: TFS-8510500

4.93 out of 5 stars ( 45 )

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ARP Carrier Fasteners 250-3008

Carrier Bearing Cap Studs, Ford, 8 in., Kit

Part Number: ARP-250-3008

4.0 out of 5 stars ( 4 )

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Trick Flow® Differential Bearing Cap Stud Kits TFS-85102-1

Stud Kit, Bearing Cap Support, GM, 12 Bolt, Kit

Part Number: TFS-85102-1

Not Yet Reviewed

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ARP Carrier Fasteners 250-3004

Stud Kit, Differential Carrier, Stainless Steel, Black Oxide, Nuts, Washers, Ford, 9 in., Kit

Part Number: ARP-250-3004

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Strange Billet Aluminum Differential Main Bearing End Caps H1124

Differential Main Bearing Caps, Billet Aluminum, Natural, Ford 8.8 in., Pair

Part Number: STR-H1124

4.0 out of 5 stars ( 6 )

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OMIX-ADA Differential Bearing Cap Bolts for 1999-2001 CHEROKEE, 1999-2003 GRAND CHEROKEE, 2003-2006 WRANGLER - 16584.11

Bolt, Differential Bearing Bolt, Steel, Each

Part Number: OMX-1658411

Not Yet Reviewed

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ARP Carrier Fasteners 250-3007

Pinion Support Bolt Kit, Ford, 8 in./9 in., Kit

Part Number: ARP-250-3007

5.0 out of 5 stars ( 3 )

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Yukon Gear & Axle Differential Bearing Cap Stud Kits YP TA-1815

Differential Main Cap Studs, GM, Kit

Part Number: YGA-32271

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

Strange Billet Aluminum Differential Main Bearing End Caps H1120

Differential Main Bearing Caps, Billet Aluminum, GM, 8.5 in, Pair

Part Number: STR-H1120

Not Yet Reviewed

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Yukon Gear & Axle Differential Main Cap Fasteners YP TA-1816

Main Cap Stud kit for Ford 7.5", 8.8", 9", 10.25", Dana 44, 60, and 70.

Part Number: YGA-32272

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Summit Racing™ Differential Support Covers SME-8510200

Differential Cover, Aluminum, Natural, Summit Logo, Bearing Cap Support, GM Passenger Car, 12-Bolt, Each

Part Number: SME-8510200

4.83 out of 5 stars ( 24 )

Estimated Ship Date: Today

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Moser Engineering Aluminum 12 Bolt GM 8.875 Inch Differential Cover 7111

Differential Cover, Aluminum, Natural, GM, 8.875 in. Truck, Kit

Part Number: MSR-7111

4.6 out of 5 stars ( 55 )

Estimated Ship Date: Today

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Summit Racing™ Differential Support Covers SME-8510300NL

Differential Cover, Aluminum, Natural, Bearing Cap Support, GM, 8.2 in., 8.5 in., 10-Bolt, Each

Part Number: SME-8510300NL

4.72 out of 5 stars ( 47 )

Estimated Ship Date: Today

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Proform Perfect Launch 10 Bolt GM 8.2/8.5 Inch Differential Cover 66668

Differential Cover, Cap Support, Aluminum, Black, Perfect Launch Logo, GM, 8.2 in., 8.5 in., Each

Part Number: PRO-66668

4.27 out of 5 stars ( 51 )

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Detroit Speed Differential Fill Caps 99070004

Differential Fill Cap, Steel, 1.0-12 UNF, Each

Part Number: DSR-99070004

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

Summit Racing™ Differential Support Covers SME-8510400NL

Differential Cover, Aluminum, Natural, Bearing Cap Support, GM, 7.5 in., 7.625 in., 10-Bolt, Each

Part Number: SME-8510400NL

4.81 out of 5 stars ( 21 )

Estimated Ship Date: Today

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Ford Performance Parts Axle Girdles M-4033-G2

Differential Cover, Aluminum, Cap Support, Drain/Filler Plugs, Bolts, Gaskets, Low Profile, Ford, Kit

Part Number: FMS-M-4033-G2

4.99 out of 5 stars ( 67 )

Estimated Ship Date: Today

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Summit Racing™ Differential Support Covers SME-8510200NL

Differential Cover, Aluminum, Natural, Bearing Cap Support, GM Passenger Car, 12-Bolt, Each

Part Number: SME-8510200NL

4.79 out of 5 stars ( 14 )

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