GM 252mm Pro Series 4L80E | 800 + HP Single Disk Lock Up

We proudly stock the entire range of Circle D Specialties Torque Converters.

The team at Circle D Specialties have a laser focused goal - To make exceptional torque converters, While providing unparalleled knowledge & outstanding customer service. Circle D Specialties are driven to continually improve & raise the bar with their products, Relentlessly pursuing perfection.

The result of this pursuit of perfection ensures Circle D Specialties are the go to & preferred choice of some of the fastest cars in the world with the lowest 60 foot times.

Features Of Your New Pro Series Billet Torque Converter

• 252mm in diameter or 10"
• Available in stall speeds from 3,200 - 4,200 RPM
• Furnace Brazed
• Hand TIG Welded
• Torrington Bearings
• Billet Front
• Billet Piston
• Multiple Bolt Pattern Front Cover
• Anti-Balloon Plates on Pump & Turbine
• CNC Machined Steel Stator For Maximum Adjustability
• Mechanical Diode One Way Clutch
• Flanged Impeller Hub - Designed for Anti-Flex Durability
• Hand Assembled to Exact Tolerances
• Single Disk Lock Up
• Designed to suit stock bolt pattern

What Stall Options Are Available For My New Converter?

• 3200 - 3400
• 3400 - 3600
• 3600 - 3800
• 3800 - 4000
• 4000 - 4200