🔥 Twisted Pro™ Ford C6 Transmission – Round Bell (FE) – 450–550 HP

The Twisted Pro™ Ford C6 Round Bell transmission is engineered for FE-powered Ford applications producing up to 550 horsepower and 550 ft-lbs of torque.

Built in-house and calibrated the Twisted Torque™ Way, this transmission delivers increased holding capacity, improved shift authority, and long-term durability for aggressive street and mild strip FE combinations.

This is not a stock rebuild — this is a performance-calibrated C6 built for real power.

🔥 Power Rating

• Up to 550 Horsepower

• Up to 550 FT-LBS Torque

• Aggressive Street Applications

• Mild Strip Use

• Cammed FE Combinations

⚙️ Internal Build Specifications

Every Twisted Pro™ C6 Round Bell Includes:

⚙️ Increased clutch capacity (direct & forward packs)

⚙️ Twisted Torque™ HD Clutches

⚙️ Kolene Steels

⚙️ Heavy-Duty Carbon Performance Band

⚙️ High Capacity 3rd Gear Drum

⚙️ Heavy-Duty Forward Drum

⚙️ Billet Intermediate Servo

⚙️ Borg Warner Low One-Way Roller Clutch Assembly

⚙️ Complete New Bushing Kit

⚙️ New Thrust Washers

⚙️ High-Capacity Pump Assembly

⚙️ Pump Modified & Updated the Twisted Torque™ Way

⚙️ Valve Body Modified & Updated the Twisted Torque™ Way

⚙️ TransGo Performance Recalibration Kit

⚙️ Automatic Shift Pattern

⚙️ New Vacuum Modulator

⚙️ New Filter

⚙️ New Seals and Sealing Rings

This configuration increases clutch holding strength, improves shift timing, and enhances durability under load.

🔥 Included Torque Converter

Includes Matched Performance Torque Converter.

🔥 Stall Range: 2000–2400 RPM

Final stall is confirmed prior to shipment based on:

⚙️ Camshaft specifications

⚙️ Rear gear ratio

⚙️ Tire size

⚙️ Vehicle weight

⚙️ Intended use

Designed for strong mid-range acceleration and improved launch characteristics in FE-powered applications.

🧊 Cooling & Installation Requirements

The C6 is a non-overdrive, non-lockup transmission. Proper cooling is required.

🧊 External stacked-plate cooler recommended

🧊 Radiator cooler alone is not sufficient

🧊 Cooler and lines must be flushed or replaced

Overheating is the number one cause of transmission failure.

🔧 Fitment – Round Bell (FE Pattern)

Fits Ford FE engines:

• 332

• 352

• 360

• 390

• 406

• 427

• 428

Bellhousing Configuration: Round Bell FE Pattern