Circle D billet performance torque converters for Ford transmissions — 4R70, 4R100/E4OD, 5R55, 6R80, 10R60, and 10R80.
This is an excellent choice for your high HP 2018+ Ford Mustang and F150! We have options available to accommodate a wide variety of engine, power-...
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This is an excellent choice for your 2018+ Ford Mustang and F150! This converter is based off the original factory converter paired with our CNC ma...
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This is the preferred converter for your 6R80 equipped PD blower/turbo Mustang, or modified F-150. 100 Square inches of Clutch Lining for WOT Loc...
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The original 6R80 performance torque converter. Look no farther.... 100 Square Inches of Clutch Lining for WOT Lock-Up Furnace Brazed Hand TIG W...
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Good converter for big power and weight. Great for Raptors and Harley Davidson 6.2 equipped trucks with superchargers. 100 Square inches of Clutc...
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This is THE converter to get for your 4r7X equipped N/A, Nitrous, or Centrifugal supercharged Ford. Furnace Brazed Hand TIG Welded Torrington S...
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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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Excellent option for your turbo/PD blower Ford cars. Nice mix of drivabilty and performance. Features include: Furnace Brazed Hand TIG Welded Torr...
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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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11" Design Billet Front Cover New 3 Disk Lock Clutch Pack vs Factory Single Furnace Brazed Pump and Turbine Torrington Style Bearings on all 3 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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Heavy duty performance for your power adder truck. Can be used for towing, off roading, or daily driving. 100 Square inches of Clutch Lining for ...
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This Pro Series covnerter can be built to match a variety of setups and includes the following features. Flanged style hub Furnace Brazed Hand T...
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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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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 an excellent choice for your Explorer ST build! This converter is based off the original factory converter paired with our CNC machined Bil...
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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...
