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8L90 Torque Converters

8L90 Torque Converters

Circle D 8L90 billet torque converters, including 2019+ L84 applications. 245mm and 258mm, Pro Series and factory-replacement HP Series. Custom stall, built in Houston, TX.

  • GM 258mm Pro Series 8L90 Torque Converter
    GM 258mm Pro Series 8L90 Torque Converter

    GM 258mm Pro Series 8L90 Torque Converter

    $1,549.00 - $1,549.00
    $1,549.00
    $1,549.00 - $1,549.00
    $1,549.00

    Awesome choice for the late model 8L90 equiped GM vehicles looking to maximize boosted performance. C7 Corvette Owners - Please select application ...

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    $1,549.00 - $1,549.00
    $1,549.00
    $1,549.00 - $1,549.00
    $1,549.00
  • GM 258mm HP Series 8L90 Factory Replacement Torque Converter
    GM 258mm HP Series 8L90 Factory Replacement Torque Converter

    GM 258mm HP Series 8L90 Factory Replacement Torque Converter

    $1,099.00 - $1,549.00
    $1,099.00 - $1,549.00
    $1,099.00 - $1,549.00
    $1,099.00

    A drop-in, factory-replacement option for the failure prone 8L90 torque converters. Billet Front Cover Triple Clutch Lockup Billet Apply Piston He...

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    $1,099.00 - $1,549.00
    $1,099.00 - $1,549.00
    $1,099.00 - $1,549.00
    $1,099.00
  • GM 265mm Pro Series 8L90 Torque Converter
    GM 265mm Pro Series 8L90 Torque Converter

    GM 265mm Pro Series 8L90 Torque Converter

    $1,549.00 - $1,549.00
    $1,549.00
    $1,549.00 - $1,549.00
    $1,549.00

    Pro Series Torque ConverterConverter Diameter - 265mm - 10 1/2" Available in stall speeds from 2500 - 3400 rpm Furnace Brazed Hand TIG Welded Turb...

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    $1,549.00 - $1,549.00
    $1,549.00
    $1,549.00 - $1,549.00
    $1,549.00
  • GM 245mm Pro Series 8L90 Torque Converter
    GM 245mm Pro Series 8L90 Torque Converter

    GM 245mm Pro Series 8L90 Torque Converter

    $1,549.00 - $1,549.00
    $1,549.00
    $1,549.00 - $1,549.00
    $1,549.00

    Awesome choice for the late model 8L90 equiped GM vehicles looking to maximize N/A performance. C7 Corvette Owners - Please select application und...

    View full details
    $1,549.00 - $1,549.00
    $1,549.00
    $1,549.00 - $1,549.00
    $1,549.00
  • GM 258mm Pro Series 8L90 Torque Converter - 2019+ L84
    GM 258mm Pro Series 8L90 Torque Converter - 2019+ L84

    GM 258mm Pro Series 8L90 Torque Converter - 2019+ L84

    $2,249.00 - $2,249.00
    $2,249.00
    $2,249.00 - $2,249.00
    $2,249.00

    This is an excellent choice for your 2019+ GM L84 build! We have options available to accommodate a wide variety of engine, power-adder, and vehicl...

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    $2,249.00 - $2,249.00
    $2,249.00
    $2,249.00 - $2,249.00
    $2,249.00
  • GM 258mm HP Series 8L90 L84 Torque Converter — Catalog View 2
    GM 258mm HP Series 8L90 L84 Torque Converter — Catalog View 1

    GM 258mm HP Series 8L90 Torque Converter — 2019–2022 L84 5.3L

    $1,744.00 - $1,744.00
    $1,744.00
    $1,744.00 - $1,744.00
    $1,744.00

    Stock-stall HP Series torque converter for 2019–2022 L84 5.3L truck applications with an 8L90 transmission. Woven Carbon Lockup Clutch Linings Hand...

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    $1,744.00 - $1,744.00
    $1,744.00
    $1,744.00 - $1,744.00
    $1,744.00

Tech Articles

  • 4L80 Torque Converter Clutch Drag?
    Brady Fedro

    4L80 Torque Converter Clutch Drag?

    Let's talk about torque converter clutch drag when using a multi disc torque converter in a 4L80E transmission. We see this issue come up from time to time, especially (but not limited to) in 4L80E applications equipped with a transbrake...

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