🔥 Twisted Punisher™ Ford C6 Transmission – Small Block – 550–650 HP

The Twisted Punisher™ Ford C6 is built for aggressive street and serious strip applications producing up to 650 horsepower and 650 ft-lbs of torque.

This is where durability, billet reinforcement, and increased holding capacity become mandatory.

Built and calibrated in-house the Twisted Torque™ Way, this C6 is engineered for high-torque launches, sticky tire setups, nitrous, and boosted small block combinations.

This is not a stock rebuild.

This is Punisher™.

🔥 Power Rating

• Up to 650 Horsepower

• Up to 650 FT-LBS Torque

• Aggressive street & strip use

• Nitrous compatible

• Boost-ready combinations

⚙️ Internal Build Specifications

Every Twisted Punisher™ C6 Includes:

⚙️ Increased clutch capacity (direct & forward packs – higher count than Pro)

⚙️ Twisted Torque™ HD Clutches

⚙️ Kolene Steels

⚙️ Heavy-Duty Carbon Performance Band

⚙️ 300M Hardened Billet Input Shaft (Standard Equipment)

⚙️ Mechanical diode-style intermediate sprag upgrade

⚙️ 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

⚙️ Increased line pressure calibration

⚙️ High-Capacity Pump Assembly

⚙️ Pump Modified & Updated the Twisted Torque™ Way

⚙️ Valve Body Modified & Updated the Twisted Torque™ Way

⚙️ TransGo Performance Recalibration Kit

⚙️ High-Rev Governor Assembly

⚙️ New Vacuum Modulator

⚙️ New Filter

⚙️ New Seals and Sealing Rings

This build delivers substantially higher torque holding capacity, improved durability under shock load, and stronger launch consistency over the Pro tier.

🔥 Included Torque Converter

Includes Performance 13” Torque Converter.

🔥 Included Stall Range: 2500–2800 RPM

Final stall confirmed prior to shipment based on:

⚙️ Camshaft specifications

⚙️ Rear gear ratio

⚙️ Tire size

⚙️ Vehicle weight

⚙️ Intended use

🧊 Cooling & Installation Requirements

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

🧊 External stacked-plate cooler required

🧊 Radiator cooler alone is not sufficient

🧊 20,000+ GVW rated cooler minimum

🧊 Cooler and lines must be flushed or replaced

Overheating is the number one cause of transmission failure.

🔧 Fitment

Fits Small Block Ford engines:

• 289

• 302

• 351W

• 351C

Bellhousing Pattern: Small Block Ford

Confirm engine balance and flexplate configuration prior to installation.