Circle D Dodge 10" Pro Series 8HP70-8HP90 Torque Converter

Circle D Specialties Dodge 10" Pro Series 8HP70/8HP90 Torque Converter

The Circle D Specialties Dodge 10" Pro Series 8HP70/8HP90 Torque Converter is an elite, high-performance upgrade engineered specifically for extreme-horsepower Dodge vehicles equipped with 8HP70 or 8HP90 transmissions. The 10-inch diameter offers the perfect sweet spot—significantly reducing rotational mass for lightning-fast throttle response and explosive acceleration off the line, while maintaining exceptional streetability. It features a CDS Exclusive Billet Stator, allowing for optimal fluid dynamics, maximum efficiency, and perfectly dialed-in launch characteristics tailored to your specific build.

Built to dominate the track and survive aggressive tuning, this Pro Series converter features a rigid billet steel front cover to completely eliminate flexing under massive power. Crucially, it utilizes a heavy-duty Modular Clutch Pack Assembly that provides an astonishing 1500+ ft.lbs of holding capacity during wide-open throttle (WOT) lock-up on modern 8-speed applications. Inside, the pump and turbine are fully furnace brazed and hand TIG welded for maximum structural integrity. Upgraded with heavy-duty Torrington style bearings and a variable-length brass pilot, this converter delivers unparalleled, consistent performance for top-tier street and strip machines.

Key Features & Upgrades

• Designed specifically for Dodge 8HP70 and 8HP90 transmissions
• 10" diameter delivers a superior balance of rapid engine response and streetable torque holding
• Modular Clutch Pack Assembly delivers extreme 1500+ ft.lbs holding capacity
• CDS Exclusive Billet Stator for optimal efficiency and precise stall characteristics
• Rigid one-piece billet steel front cover prevents flexing and ballooning
• Fully furnace brazed pump and turbine with hand TIG welded construction
• Brass pilot with variable lengths for precision fitment
• Heavy-duty Torrington style bearings for smooth, reliable operation
• Hand-assembled to exacting tolerances for unmatched track dominance

Specifications

• Application: Extreme High-Performance Street/Strip Torque Converter
• Transmission Compatibility: Dodge 8HP70 / 8HP90
• Converter Diameter: 10"
• Construction: Billet Steel Front Cover, Furnace Brazed, Hand TIG Welded Pump and Turbine
• Stator: CDS Exclusive Billet Stator
• Clutch: Modular Clutch Pack Assembly (1500+ ft.lbs)
• Options: Multiple Stall Speeds (2800 up to 4400 RPM) available

Notes

• Custom manufactured product built to your exact specifications.
• Estimated lead time: 3-4 weeks.