Circle D billet performance torque converters for Ford transmissions — 4R70, 4R100/E4OD, 5R55, 6R80, 10R60, and 10R80.
12" Factory Design Billet Front Cover New 3 Disk Luk Clutch Pack Furnace Brazed Pump and Turbine Torrington Bearings on all 3 Thrust Surfaces 4 ...
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Billet Front Cover New 3 Disk Luk Clutch Pack Furnace Brazed Pump and Turbine Torrington Bearings on all 3 Thrust Surfaces 4 or 6 lug options t...
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This converter is designed for the big power twin screw supercharged Lightnings. Can be used on the street or the strip. Our best performing option...
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Looking for a converter to spool your turbo Lightning? This is it. Smaller 10 1/4" core for improved launch but still maintains good top end effici...
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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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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...
