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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Nitro Gear and Axle Master Install Kits for 2007-2017 WRANGLER, 2018 WRANGLER JK - MKD44JK-REAR

Ring And Pinion Gear Installation Kit, Master Install Kit, Dana 44 JK, Rear, Jeep, Kit

Part Number: NGA-MKD44JK-REAR

1.0 out of 5 stars ( 1 )

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Summit Racing™ 9 in. Ford Grand National Rear-End Assemblies for 1978-1987 REGAL, MONTE CARLO, 1980-1981 CUTLASS - SUM-CSUMCT006

Rear End Assembly, Grand National, Ford 9 in., 31-Spline Axles, 5 x 4.75 in. Pattern, G-Body Mounts, Kit

Part Number: SUM-CSUMCT006

Not Yet Reviewed

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TCI Automatic Transmission Rear Case Bearings 224400

TCI Automatic Transmission Rear Case Bearings 224400

Bearings, Rear Case, Shims, Automatic, TH400, Kit

Part Number: TCI-224400

4.92 out of 5 stars ( 12 )

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FTI Performance Transmission Rear Seals F2579

Tail Housing Seal, Powerglide, Each

Part Number: FTI-F2579

Not Yet Reviewed

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Dorman - Rear Axle Housing Brackets for 1996-2005 RAV4 - 523-206

Rear Forward Position Differential Support

Part Number: RNB-523-206

Not Yet Reviewed

Estimated Ship Date: Feb 11, 2026 if ordered today

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Estimated Ship Date: Feb 11, 2026 if ordered today

Dorman - Rear Axle Housing Brackets for 1996-2005 RAV4 - 523-207

Rear Rearward Position Differential Support

Part Number: RNB-523-207

Not Yet Reviewed

Estimated Ship Date: Feb 11, 2026 if ordered today

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Estimated Ship Date: Feb 11, 2026 if ordered today

Steeda Rear Axle Housing Brackets 555-4050

Differential Support Bracket Steeda Hardcore S550 Mustang IRS Differential Support Brackets(2015-2019)

Part Number: SDA-555-4050

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Beck/Arnley Output Shaft Seals 052-1401

SEAL OUTPUT SHAF

Part Number: BCK-052-1401

Not Yet Reviewed

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Moog Chassis Parts Rear Axle Housing Brackets RK643170

Differential Support Bracket

Part Number: MOG-RK643170

Not Yet Reviewed

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Classic Performance Rear Axle Conversion Kits for 1965-1969 C10 PICKUP, K10 PICKUP - 6569RACK

Axle Conversion, Rear, 5 x 5.00 in. Bolt Circle, Chevy, Pair

Part Number: CLP-6569RACK

4.93 out of 5 stars ( 30 )

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Classic Performance Rear Axle Conversion Kits for 1963-1969 C10 PICKUP, K10 PICKUP - 6369RAC-5

Axle Conversion, Rear, 5 x 5.00 in. Bolt Circle, Chevy, Pair

Part Number: CLP-6369RAC-5

4.56 out of 5 stars ( 18 )

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Currie 9 in. Crate Rear End Assemblies for 1967-1970 MUSTANG - CR-FM237TEBB

Crate Axle, 67-70 Mustang Centurion 9-Inch, Black PC, 31-Spline, 3.70 Ratio, Currie Twin Track, 11" Explorer Disc

Part Number: CUR-CR-FM237TEBB

Not Yet Reviewed

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Moser Engineering Rear Axle Housing Ends 7750

Axle Housing Ends, Forged Steel, Zinc Plated, Big Ford, New Style, Pair

Part Number: MSR-7750

5.0 out of 5 stars ( 11 )

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Currie 9 in. Crate Rear End Assemblies for 1970-1981 CAMARO, FIREBIRD - CR-GF341TWAB

Crate Axle, 70-81 GM Camaro/F-Body Centurion 9-Inch, Black PC, 31-Spline, 4.11 Ratio, Currie Twin Track, Wilwood 11" Dynapro Black Calipers

Part Number: CUR-CR-GF341TWAB

Not Yet Reviewed

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Currie 9 in. Crate Rear End Assemblies for 1964-1966 MUSTANG - CR-FM135TWAB

Crate Axle, 64-66 Mustang Centurion 9-Inch, Black PC, 31-Spline, 3.50 Ratio, Currie Twin Track, Wilwood 11" Dynapro Black Calipers

Part Number: CUR-CR-FM135TWAB

Not Yet Reviewed

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Currie 9 in. Rear-End Housing Assemblies for 1964-1966 MUSTANG - CE-FDM6466X

Axle Assembly, 9 in. Rear-End Housing Assembly, Bolt-in, 1541H Alloy Steel, 31-spline Axle Shaft, Ford, Each

Part Number: CUR-CE-FDM6466X

Not Yet Reviewed

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Rhodes Race Cars Rear Axle Housing Ends 16-0120

Axle Housing Ends, Steel, Big Ford New Style, 3/8 in. Holes, Pair

Part Number: RHC-16-0120

5.0 out of 5 stars ( 4 )

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Strange Rear Axle Housing Ends H1137

Housing Ends, Big Ford Late, 3/8 in. Diameter Holes, 1.300 in. Width, Pair

Part Number: STR-H1137

5.0 out of 5 stars ( 7 )

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Currie 9 in. Rear-End Housing Assemblies CE-GMB5557X

Axle Assembly, 55-57 Chevy B-Body, Rear, Centurion 9-inch, 31-Spline, 5 x 4.75 in. Bolt Pattern, Housing & Axle Kit

Part Number: CUR-CE-GMB5557X

5.0 out of 5 stars ( 1 )

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Currie 9 in. Crate Rear End Assemblies CR-GC741TWAB

Crate Axle, 73-87 Chevy C10 Centurion 9-Inch, 5-Lug, Black PC, 31-Spline, 4.11 Ratio, Currie Twin Track, Wilwood 11" Dynapro Black Calipers

Part Number: CUR-CR-GC741TWAB

Not Yet Reviewed

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Currie 9 in. Crate Rear End Assemblies CR-GC737TWAB

Crate Axle, 73-87 Chevy C10 Centurion 9-Inch, 5-Lug, Black PC, 31-Spline, 3.70 Ratio, Currie Twin Track, Wilwood 11" Dynapro Black Calipers

Part Number: CUR-CR-GC737TWAB

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

Spicer Drivetrain Products Rear Axle Shafts for 2005-2007 ARMADA, 2003-2007 PATHFINDER, 2004-2007 TITAN - 84776-1

Axle Shaft, Dana 44, 32-spline, 34.030 in. Length, Rear, for Nissan, Each

Part Number: SDH-84776-1

4.46 out of 5 stars ( 28 )

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Spicer Drivetrain Products Rear Axle Shafts for 2020-2022 GLADIATOR, 2018-2023 WRANGLER - 10043169

Axle Shaft, Rear Passenger Side, C-clip, 32-spline, Nickel/Chromoly, 33.960 in. Length, Dana 44 Jeep Wrangler JL, Dana M220 Jeep Wrangler JL, Each

Part Number: SDH-10043169

Not Yet Reviewed

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Currie 9 in. Rear-End Housing Assemblies CE-GMG7887X

Axle Assembly, 9 in. Alloy Steel. 1541H Alloy Steel Axles, 31 Spline, GM. Each

Part Number: CUR-CE-GMG7887X

Not Yet Reviewed

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Currie 9 in. Rear-End Housing Assemblies CE-GMA6872X

Axle Assembly, 68-72 GM A-Body, Rear, Centurion 9-inch, 31-Spline, 5 x 4.75 in. Bolt Pattern, Housing & Axle Kit

Part Number: CUR-CE-GMA6872X

5.0 out of 5 stars ( 2 )

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Spicer Drivetrain Products Rear Axle Shafts for 2020-2022 GLADIATOR, 2018-2023 WRANGLER - 10043168

Axle Shaft, Rear Driver Side, C-clip, 32-spline, Nickel/Chromoly, 32.220 in. Length, Dana 44 Jeep Wrangler JL, Dana M220 Jeep Wrangler JL, Each

Part Number: SDH-10043168

4.0 out of 5 stars ( 4 )

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