Circle D 10R80 Torque Converter Circle D Sale! from 224900 /per Size 245mm 258mm Style Forced Induction N/A Qty. Add to Cart This item is either made to order or has limited inventory. Please reach out to confirm lead times if needed. These are a 3-4 week lead time. This is for the initial build using their stator and billet parts in a factory core. Stall speed is mid to high 3000s.