Circle D billet performance torque converters for GM transmissions — 4L60, 4L80, 6L80/6L90, 8L90, 10L90, and Powerglide/TH350/TH400.
Pro Series Billet Torque Converter Converter Diameter - 258mm - 10 1/4" Available in stall speeds from 2800 - 3700 rpm Furnace Brazed Hand TIG W...
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Pro Series Billet Torque Converter Converter Diameter - 245mm - 9 3/4" Available in stall speeds from 3200-4600 rpm Furnace Brazed Hand TIG Weld...
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Great performance torque converter for a daily driven car or truck. This torque converter will have excellent street manners and only flash high ...
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Pro Series Billet Torque Converter Converter Diameter - 265mm - 10 1/2" Furnace Brazed Hand TIG Welded Torrington Bearings Billet Front and Bi...
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This is our most durable and adjustable option for the high hp street/track cars. Designed for use in 800+HP, this converter is the perfect match f...
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Billet Front Cover Billet Lockup Piston Carbon Lockup Clutch Lining Furnace Brazed Pump/Turbine Modified Impeller/Stator for Higher Stall Flanged ...
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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...
