Looking for the perfect gift for automotive enthusiasts? Our Circle D Specialties Gift Cards offer flexible denominations from $100 to $1,000. Give...

Classic Tin Sign A premium 12" diameter embossed aluminum tin tacker designed for high-visibility branding in commercial environments. Manufactured...

Upgrade your transmission performance with Circle D Specialties Converter Build Kits. These custom-manufactured components deliver professional-gra...

HP Series Multi Disk Torque Converter Torque Converter Diameter - 10" Available in stall speeds from 2800-4000rpm. The HP series 10" 8HP70 convert...

The HP series 10" 8HP90/95 converter is based on the factory core with some adjustments for stall speed, forced induction type, and power handling ...

CDS Exclusive Billet Stator Billet Steel Front Cover Furnace Brazed Pump/Turbine Hand TIG Welded Pump/Turbine Torrington Style Bearings Modular C...

Feature packed for its price point, this converter will be sure to make you smile. Includes: Billet Front Cover 5/16" and 10x1.5 bolt holes High C...

The HP series 11" Nag converter is based on the factory core with some adjustments for stall speed and power handling capabilty. Great choice for a...

Flanged Style Hub Furnace Brazed Pump/Turbine Hand TIG Welded Turbine Hub Torrington Style Bearings CDS Exclusive Billet Front Cover and Lockup Pi...

  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...

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...

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 ...

This is THE converter to get for your 4r7X equipped N/A, Nitrous, or Centrifugal supercharged Ford. Furnace Brazed Hand TIG Welded Torrington S...

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...

The original 6R80 performance torque converter. Look no farther.... 100 Square Inches of Clutch Lining for WOT Lock-Up Furnace Brazed Hand TIG W...

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...

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...

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...

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...

Excellent option for your turbo/PD blower Ford cars. Nice mix of drivabilty and performance. Features include: Furnace Brazed Hand TIG Welded Torr...

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...

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...

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 ...

Good converter for big power and weight. Great for Raptors and Harley Davidson 6.2 equipped trucks with superchargers. 100 Square inches of Clutc...