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.
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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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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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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Awesome choice for the late model 8L90 equiped GM vehicles looking to maximize N/A performance. C7 Corvette Owners - Please select application und...
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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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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...
Today we're diving in to the often debated & sometimes mysterious topic of single disc vs. multi disc lock-up torque converters for use in common OEM-based overdrive transmissions. To begin, we need to understand the purpose of a torque...
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