🔥 Twisted Street™ Ford C6 Transmission – Round Bell (FE) – 350–450 HP

The Twisted Street™ Ford C6 Round Bell transmission is engineered for classic FE-powered Ford applications producing 350–450 horsepower.

Built in-house and calibrated the Twisted Torque™ Way, this is not a generic remanufactured rebuild — this is a durability-focused street performance upgrade designed specifically for FE muscle and truck applications.

This version retains the factory Round Bell FE bellhousing configuration.

🔥 Power Rating

• 350–450 Horsepower

• 350–450 FT-LBS Torque

• Strong Street Applications

• Mild Camshaft Setups

• Classic Muscle & Truck Use

⚙️ Internal Build Specifications

Every Twisted Street™ C6 Round Bell Includes:

⚙️ Twisted Torque™ HD Clutches

⚙️ Kolene Steels

⚙️ Heavy-Duty Intermediate Band

⚙️ New Sprag (One-Way Clutch)

⚙️ Complete New Bushing Kit

⚙️ Complete New Thrust Washer Kit

⚙️ New Vacuum Modulator

⚙️ New Servo Piston

⚙️ Remanufactured Pump Assembly

⚙️ Pump Modified & Updated the Twisted Torque™ Way

⚙️ Valve Body Modified & Updated the Twisted Torque™ Way

⚙️ Automatic Shift Pattern

⚙️ New Filter

⚙️ New Seals and Sealing Rings

This build improves clutch holding capacity, shift calibration, and durability over stock units while maintaining excellent street drivability.

🔥 Included Torque Converter

Includes Matched Performance Torque Converter.

🔥 Stall Range: 1600–1800 RPM

Designed for smooth engagement, strong low-end torque multiplication, and excellent street manners in FE 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