CIRCLE D HP SERIES NAG1 TORQUE CONVERTER

Circle D Converters Are Made To Order. Drop Ship Only - (As of 8/2026. Lead time is 6 weeks) 

Special Order Item - No Refunds, No Exceptions.

If you need assistance selecting a converter, please email info@frptuning.com or call 936-230-3054.

The HP series 11" Nag converter is based on the factory core with some adjustments for stall speed and power handling capability. Great choice for a street car up to around 600whp. Its features include:

Custom stall options, 2600-2800, 2800-3000, 3000-3200

Improved Clutchpack Surface Area

Damperless Turbine

HD Torrington Style Bearings