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Transmission & Drivetrain

Performance & Replacement Transmission & Drivetrain Parts

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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.

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.

Individual Parts

Results 1 - 25 of 296

FLEXPLATE, PRO SERIES, BLACK LABEL, SFI, PONT 326-455 1957-79, 166T, External Balance

Part Number: PQX-2045572

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

FLEXPLATE, BLACK LABEL SPECIAL EDITION, SFI, PONT 326-455, 166T, Neutral Balance

Part Number: PQX-2038970

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Flexplate, Black, Black Label Edition, 168-Tooth, Internal Engine Balance, SFI 29.1, Chevrolet, LS, Each

Part Number: PQX-2036471

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Flexplate, Black, Black Label Edition, 168-Tooth, Internal Engine Balance, SFI 29.1, Chevrolet, 2 Piece Rear Main, Small Block, Big Block, Each

Part Number: PQX-2035073

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Flexplate, Black, Black Label Edition, 164-Tooth, External Balance 28oz Engine Balance, SFI 29.1, Ford, Each

Part Number: PQX-2030271

3.0 out of 5 stars ( 1 )

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Flexplate, Pro Series, Black Label Special Edition, SFI 29.1, 164 Teeth, for Internally Balanced Crankshafts, Ford, Windsor, Each

Part Number: PQX-2030270

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FLEXPLATE, BLACK LABEL SPECIAL EDITION, SFI, FORD 302 1982-95, 164T, 50 oz, External Bal

Part Number: PQX-2030272

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Flexplate, Black Label Special Edition, Flat Design, Long Crank, 168-tooth, Internal Balance, Steel, SFI 29.1, Quick-Rev Design, Chevrolet, Each

Part Number: PQX-2036475

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Flexplate, Black Label Special Edition, 164-Tooth, SFI 29.1, Internal Balance, C4, C6, 4R70W, AOD, TH350, TH400 Patterns, Ford, 4.6L DOHC, Each

Part Number: PQX-2033070

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FLEXPLATE, TORQ'R SERIES, DODGE 5.9L Cummins 1988-2009, 47RE, 47RH, 48RE Transmission, 46.10mm Ctr Bore Hole, 152T, SFI 29.1, Int Bal

Part Number: PQX-2135970

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FLEXPLATE, PRO SERIES, BLACK LABEL, SFI, CHEV SB/BB 0-Bal with 2 pc seal, incl 2001-07 8.1L BB, 168T, High Inertia Design, Internal Balance

Part Number: PQX-2035071

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Flexplate, Pro Series, Black Label Special Edition, SFI 29.1, 157 Teeth, for Internally Balanced Crankshafts, Ford, Windsor, Each

Part Number: PQX-2028970

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FLEXPLATE, PRO SERIES, BLACK LABEL, SFI, FORD 289-351W 1963-82, 157T, 28 oz, Ext Bal

Part Number: PQX-2028971

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FLEXPLATE, BLACK LABEL SPECIAL EDITION, SFI, FORD 429-460, 164T, Int Bal

Part Number: PQX-2046070

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FLEXPLATE, PRO SERIES, BLACK LABEL, SFI, CHEV 454/502 Gen V/VI 1991-97, 168T, Late, .187" Thick Core, High HP Design, Incl Late Model 6 bolt convertor

Part Number: PQX-2050273

Not Yet Reviewed

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Flexplate, Pro Series, Black Label Edition, SFI, 155 Teeth, for E4OD or 4R100 Transmissions, Externally Balanced, Ford, Diesel, Each

Part Number: PQX-2144571

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FLEXPLATE, PRO SERIES, BLACK LABEL, SFI, FORD 429-460, 164T, Ext Bal

Part Number: PQX-2046071

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FLEXPLATE, PRO SERIES, BLACK LABEL, SFI, CHEV 454 1970-90, 168T, Early, External Bal, 168T, 4mm Thick Core, High Inertia Design, Early, External Balan

Part Number: PQX-2045470

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

FLEXPLATE, PRO SERIES, BLACK LABEL, SFI, CHEV 454 1970-90, 168T, Early, External Bal, .187" Thick Core, High HP Design, Incl Late Model 6 bolt convert

Part Number: PQX-2045473

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

FLEXPLATE, BLACK LABEL SPECIAL EDITION, SFI, MOPAR/CHRYSLER SB & BB, 10" or 11 1/8" Converter, 6 bolt crank, Int Bal

Part Number: PQX-2044070

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Flexplate, Black Label, Steel, SFI 29.1, 5.7L/6.1L, Hemi, Excludes Trucks, 8 Bolt, 131-Teeth, Internal Balance, A580, W5A580, Mopar, Dodge, Each

Part Number: PQX-2034571

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

FLEXPLATE, TORQ'R SERIES, DODGE 6.7L Cummins, 2007.5-18, 8-Bolt with 68RFE Transmission, 2.12" (53.78mm) center bore hole, 152T, SFI 29.1, Int Bal

Part Number: PQX-2140870

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

FLEXPLATE, TORQ'R SERIES, CHEV/GM Duramax Diesel, SFI 29.1, Black e-Coat, w/out ring gear, 4.0mm Cold-Rolled Steel, SFI 29.1, Int Bal

Part Number: PQX-2140370

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FLEXPLATE, BLACK LABEL SPECIAL EDITION, SFI 29.1, MOPAR/JEEP 5.7L/6.1L Mod Hemi (Excl Trucks & Grand Cherokee), 8 Bolt Crankshaft, 131 Teeth, High Ine

Part Number: PQX-2034572

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Flexplate, Gold Series, 166-Tooth, External Engine Balance, SFI 29.1, TH350, TH400, 700R4, Pontiac, V8, Each

Part Number: PQX-1845500

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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