🔥 Twisted Torque™ NAG1 / 722.6 Performance Transmission

Dodge SRT8 Platforms • 5-Speed Automatic • Built the Twisted™ Way

OEM+ Strength • High-Power Street • Converter Included

The Twisted Torque™ NAG1 / 722.6 is a performance-engineered automatic transmission designed for high-output Dodge SRT8 street vehicles that demand increased torque capacity, improved shift control, and long-term reliability beyond factory limits.

Built on the proven Mercedes-derived 722.6 (NAG1) platform, this transmission corrects known factory failure points while maintaining excellent drivability. This is not a stock rebuild and not a race-only transmission — it’s a true Twisted Torque™ OEM+ performance solution.

🏁 CONFIRMED VEHICLE APPLICATIONS

This exact internal build applies to all vehicles listed below when equipped with the NAG1 / 722.6 automatic:

• Dodge Challenger SRT8
• 2008–2014 • 6.1L / 6.4L HEMI
• Dodge Charger SRT8
• 2006–2014 • 6.1L / 6.4L HEMI
• Dodge Magnum SRT8
• 2006–2008 • 6.1L HEMI

Internal build specifications remain the same across all listed applications. Final configuration is matched per vehicle at time of order.

⚙️ POWER & PERFORMANCE

• Rated to support ~40% more torque than OEM
• Designed for high-power street performance
• Improved clutch holding power and hydraulic stability
• Firm, confident shifts while retaining smooth street manners

🔧 TWISTED TORQUE™ PERFORMANCE UPGRADES

✔ SHR OEM+™ Valve Body

Precision-calibrated for firmer shifts, increased line pressure, and long-term durability.

✔ ALTO Red Eagle Friction System

High-performance friction material for increased heat resistance and clutch longevity.

✔ MAX-Capacity K3 Clutch Support

Addresses one of the NAG1’s primary torque-handling limitations.

✔ MAX-Duty Freewheel Clutches

Reinforced for aggressive throttle input and elevated torque loads.

✔ TransTec MAX-Duty O-Ring & Seal Kit

Improved sealing integrity to prevent pressure loss and internal leakage.

✔ New OEM Connector Plate (Conductor Plate)

Eliminates common electrical and shifting failures found in reused units.

✔ New Transmission Pan

Fresh sealing surface and improved service reliability.

🔥 INCLUDED TORQUE CONVERTER (STANDARD)

✔ Performance Multiple-Disc Lock-Up Torque Converter – INCLUDED

✔ Stock Stall Speed (OEM-matched for excellent street drivability)

✔ Multiple-disc clutch pack for increased torque capacity

✔ Improved lock-up strength to prevent TCC shudder

✔ Designed for high-power street use and daily drivability

This converter is specifically selected to eliminate common NAG1 TCC issues while retaining factory-like drivability.

🧠 KNOWN NAG1 ISSUES — CORRECTED

This Twisted Torque™ build directly addresses:

• Valve body bore & sleeve wear
• Conductor plate electrical failures
• TCC (Torque Converter Clutch) shudder and slip
• Inconsistent line pressure under load

These issues are engineered out, not masked.

🏭 THE TWISTED TORQUE™ BUILD PROCESS

Transmission Assembly

• Complete transmission teardown
• Multi-stage parts washing
• Detailed inspection of all components
• Measurement of all critical dimensions
• Full dry stack-up build
• Friction clearance set to SHR specification

Valve Body Process

• Complete valve body teardown
• Multi-step cleaning process
• Detailed bore and valve inspection
• Vacuum testing of every valve circuit
• Machining and valve replacement as required
• Full hydraulic operational verification testing

🛢️ FLUID REQUIREMENT

• High-quality full synthetic transmission fluid required
• Proper fluid selection is mandatory for performance and warranty coverage

✅ WHAT THIS TRANSMISSION IS — AND ISN’T

✔ High-power street performance transmission

✔ OEM+ drivability with reinforced internals

✔ Multiple-disc lock-up torque converter INCLUDED

✔ Designed specifically for Dodge SRT8 platforms

🚫 Not a stock replacement

🚫 Not a budget rebuild

🚫 Not a race-only drag transmission