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Welcome to Circle D Specialties

Our mission is to make exceptional torque converters while providing unparalleled knowledge and outstanding customer service. We are driven to continually improve and raise the bar with our products, relentlessly pursuing perfection. We are a team, we are family, we are Circle D Specialties.
Our performance moves us.

Featured products
Picture of Ford HP Series 10R80 Torque Converter

Ford HP Series 10R80 Torque Converter

46-07-04
$2,000.00
HP Series Billet Stator Torque Converter Converter Diameter - 245mm or 258mm

Picture of GM HP Series 10L90 Torque Converter

GM HP Series 10L90 Torque Converter

27-07-05
$2,000.00
HP Series Billet Stator Torque Converter Converter Diameter - 258mm

Picture of GM 278mm HP 4L60 LS Torque Converter

GM 278mm HP 4L60 LS Torque Converter

$599.00
Great torque converter for a DD performance vehicle. This converter will have great street manners and only flash high when you want it. A nice durable option for everyday use.

Picture of GM 278mm HP 6L80 LS Torque Converter

GM 278mm HP 6L80 LS Torque Converter

$699.00
Great torque converter for a DD performance vehicle. This converter will have great street manners and only flash high when you want it. A nice durable option for everyday use.

Picture of CDS LS Billet Flexplate

CDS LS Billet Flexplate

FLEX-BS-GM-LST-6
$349.00

Bestsellers
Picture of GM 278mm HP 4L60 LS Torque Converter

GM 278mm HP 4L60 LS Torque Converter

$599.00
Great torque converter for a DD performance vehicle. This converter will have great street manners and only flash high when you want it. A nice durable option for everyday use.

Picture of GM 278mm HP 4L80 LS Torque Converter

GM 278mm HP 4L80 LS Torque Converter

$699.00
Great torque converter for a DD performance vehicle. This converter will have great street manners and only flash high when you want it. A nice durable option for everyday use. Perfect for 4l80 swaps!

Picture of Shirt

Shirt

MRCH-TSHIRT
$15.00
Picture of GM 278mm HP 6L80 LS Torque Converter

GM 278mm HP 6L80 LS Torque Converter

$699.00
Great torque converter for a DD performance vehicle. This converter will have great street manners and only flash high when you want it. A nice durable option for everyday use.

New products
Picture of GM HP Series 10L90 Torque Converter

GM HP Series 10L90 Torque Converter

27-07-05
$2,000.00
HP Series Billet Stator Torque Converter Converter Diameter - 258mm

Picture of Ford HP Series 10R80 Torque Converter

Ford HP Series 10R80 Torque Converter

46-07-04
$2,000.00
HP Series Billet Stator Torque Converter Converter Diameter - 245mm or 258mm

Picture of GM 252mm Pro Series PG/350/400 Torque Converter

GM 252mm Pro Series PG/350/400 Torque Converter

11-13-34
$1,750.00
Pro Series Billet Torque Converter Converter Diameter - 252mm 10" Available in stall speeds from 3200-4200 rpm

Picture of CDS LS Billet Flexplate

CDS LS Billet Flexplate

FLEX-BS-GM-LST-6
$349.00

Contacts
  • Phone 713-895-8834
  • Fax 713-589-8667
  • Text 713-999-3610
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