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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TransGo Performance Shift Kits 350C-1&2

Shift Kit, Performance, Buick, Chevy, Oldsmobile, Pontiac, GMC, TH350C, 1981-91, Kit

Part Number: TRG-350C-1-2

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Summit Racing™ Transmission Shifter Brackets and Levers SUM-700210

Transmission Bracket, Steel, Zinc Plated, Chevy TH400/TH350/TH250/200-4R/700R4/TH350C, Kit

Part Number: SUM-700210

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Shiftworks Shifter Conversion Kits for 1968-1969 CAMARO - C350-4

Shiftworks Shifter Conversion Kits for 1968-1969 CAMARO - C350-4

Factory Shifter Conversion, TH350, TH400, Regular Shift, Chevy, Kit

Part Number: SIW-C350-4

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Shiftworks Shifter Conversion Kits for 1970-1972 CAMARO - C350-5

Factory Shifter Conversion, TH350, TH400, Regular Shift, Chevy, Kit

Part Number: SIW-C350-5

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Shiftworks Shifter Conversion Kits, Automatic Transmission C350-R-CS

1968-69 Impala Slap-Shift Shifter Conversion Kit

Part Number: SIW-C350-R-CS

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Shiftworks Slap Shift Shifter Conversions for 1968-1969 CAMARO - C350-4RVB

Conversion Kit, 1968-69 Camaro 3-Spd Automatic Reverse Valve Body Factory Shifter Conversion Kit TH350, TH400, features Slap-Shift function

Part Number: SIW-C350-4RVB

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Shiftworks Shifter Conversion Kits, Automatic Transmission C350-3-CS

Shifter Conversion Kits 1970-1972 Chevrolet Chevelle TH350/TH400 Master kit

Part Number: SIW-C350-3-CS

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Shiftworks Shifter Conversion Kits, Automatic Transmission C350-2-CS

Shifter Conversion Kits 1968-1970 Chevrolet Chevelle TH350/TH400 Master kit

Part Number: SIW-C350-2-CS

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Shiftworks Slap Shift Shifter Conversions for 1970-1972 CAMARO - C350-5RVB

Conversion Kit, 1970-72 Camaro 3-Spd Automatic Reverse Valve Body Factory Shifter Conversion Kit TH350, TH400, features Slap-Shift function

Part Number: SIW-C350-5RVB

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Shiftworks Slap Shift Shifter Conversions for 1970-1972 CAMARO - C350-5R

Factory Shifter Conversion, TH350, TH400, Slap Shift, Chevy, Kit

Part Number: SIW-C350-5R

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Shiftworks Shifter Conversion Kits, Automatic Transmission C350-5R-CS

Shifter Conversion Kits 1970-1972 Chevrolet Camaro TH350/TH400 Master kit

Part Number: SIW-C350-5R-CS

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Shiftworks Slap Shift Shifter Conversions for 1968-1969 IMPALA - C350-R

Factory Shifter Conversion, TH350, TH400, Slap Shift, Chevy, Kit

Part Number: SIW-C350-R

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Shiftworks Shifter Conversion Kits, Automatic Transmission C350-5RVB-CS

Shifter Conversion Kits 1970-1972 Chevrolet Camaro TH350/TH400 Master kit

Part Number: SIW-C350-5RVB-CS

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Shiftworks Shifter Conversion Kits, Automatic Transmission C350-2R-CS

Shifter Conversion Kits 1968-1970 Chevrolet Chevelle TH350/TH400 Master kit

Part Number: SIW-C350-2R-CS

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Shiftworks Shifter Conversion Kits, Automatic Transmission C350-4R-CS

Shifter Conversion Kits 1968-1969 Chevrolet Camaro TH350/TH400 Master kit

Part Number: SIW-C350-4R-CS

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Shiftworks Shifter Conversion Kits for 1971-1972 CHEVELLE - C350-3

Factory Shifter Conversion, TH350, TH400, Regular Shift, Chevy, Kit

Part Number: SIW-C350-3

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Shiftworks Automatic Transmission Shift Kits C350-2RVB

Conversion Kit, 1968-70 Chevelle 3-Spd Automatic Reverse Valve Body Factory Shifter Conversion Kit TH350, TH400, features Slap-Shift function

Part Number: SIW-C350-2RVB

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

Shiftworks Shifter Conversion Kits, Automatic Transmission C350-3RVB-CS

Shifter Conversion Kits 1970-1972 Chevrolet Chevelle TH350/TH400 Master kit

Part Number: SIW-C350-3RVB-CS

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Shiftworks Shifter Conversion Kits, Automatic Transmission C350-2RVB-CS

Shifter Conversion Kits 1968-1970 Chevrolet Chevelle TH350/TH400 Master kit

Part Number: SIW-C350-2RVB-CS

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Shiftworks Automatic Transmission Shift Kits C350-3RVB

Conversion Kit, 1971-72 Chevelle 3-Spd Automatic Reverse Valve Body Factory Shifter Conversion Kit TH350, TH400, features Slap-Shift function

Part Number: SIW-C350-3RVB

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Shiftworks Automatic Transmission Shift Kits C350-RVB

Conversion Kit, 1968-69 Impala 3-Spd Automatic Reverse Valve Body Factory Shifter Conversion Kit TH350, TH400, features Slap-Shift function

Part Number: SIW-C350-RVB

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Shiftworks Shifter Conversion Kits, Automatic Transmission C350-5-CS

Shifter Conversion Kits 1970-1972 Chevrolet Camaro TH350/TH400 Master kit

Part Number: SIW-C350-5-CS

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Shiftworks Shifter Conversion Kits, Automatic Transmission C350-CS

1968-69 Impala Factory Style Shifter Conversion Kit

Part Number: SIW-C350-CS

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Shiftworks Shifter Conversion Kits, Automatic Transmission C350-RVB-CS

1968-69 Impala Reverse Valve Body Shifter Conversion Kit

Part Number: SIW-C350-RVB-CS

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Shiftworks Slap Shift Shifter Conversions for 1968-1969 CAMARO - C350-4R

Factory Shifter Conversion, TH350, TH400, Slap Shift, Chevy, Kit

Part Number: SIW-C350-4R

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Shiftworks Shifter Conversion Kits, Automatic Transmission C350-4RVB-CS

Shifter Conversion Kits 1968-1969 Chevrolet Camaro TH350/TH400 Master kit

Part Number: SIW-C350-4RVB-CS

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

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