FTI Performance Street Racer Lock-Up Torque Converter

Fits Most Chrysler/Dodge/Jeep 6.4L/6.1L/5.7L (05-20)

Part #: SRT80086

Overview

The FTI Performance Street Racer Lock-Up Torque Converter is engineered to enhance power transfer and drivability for Chrysler and Dodge enthusiasts. Designed specifically for select Chrysler 300C, Dodge Magnum, Charger, and Challenger models equipped with 5.7L, 6.1L, and 6.4L HEMI engines, this 9.5-inch billet torque converter features a 3600 RPM stall speed ideal for street performance and weekend racing. It provides reliable lock-up engagement that reduces heat and slippage, improving throttle response and fuel efficiency.

Whether you’re a weekend warrior or a street racer, this torque converter balances aggressive stall characteristics with smooth lock-up operation, ensuring optimal performance across a variety of driving conditions.

Key Features

FTI Performance’s Street Racer Series torque converter incorporates advanced engineering and premium materials to deliver durability and performance. Key features include:

• 9.5-inch diameter optimized for NAG1/722.6 transmissions
• 3600 RPM stall speed for improved launch and acceleration
• Billet aluminum cover for superior strength and heat dissipation
• Furnace brazed construction enhancing structural integrity
• TIG welded components for precise, leak-free assembly
• Triple Torrington bearing support to reduce friction and extend service life
• Multi-plate lock-up design for consistent and reliable torque transfer
• Direct bolt-in fitment for specified Chrysler and Dodge models without modification

Construction & Design

This torque converter is crafted from high-grade billet aluminum, offering a lightweight yet robust housing capable of withstanding the demands of high-performance driving. The furnace brazing process creates a strong metallurgical bond between components, while TIG welding ensures precision and durability at critical joints. The triple Torrington bearing setup minimizes internal friction and wear, contributing to smoother operation and longer component life. Every design element focuses on reliability and consistent performance under rigorous conditions.

Installation & Fitment

The FTI Performance Street Racer Lock-Up Torque Converter is a direct bolt-in replacement for the following vehicles equipped with the 9.5-inch NAG1/722.6 transmission:

• 2005–2014 Chrysler 300C 5.7L and 6.1L HEMI
• 2005–2008 Dodge Magnum 5.7L and 6.1L SRT8
• 2006–2020 Dodge Charger 5.7L, 6.1L SRT8, and 6.4L 392
• 2008–2014 Dodge Challenger 5.7L, 6.1L SRT8, and 6.4L 392

Installation requires standard transmission removal procedures with no special modifications needed, making it suitable for professional installers and experienced enthusiasts. Proper installation ensures optimal lock-up function and stall characteristics tailored to your vehicle’s performance needs.

What's Included

• FTI Performance 9.5" Billet Lock-Up Street Racer Torque Converter
• Installation hardware and instructions (where applicable)

Ideal For

This torque converter is ideal for street performance enthusiasts and weekend racers seeking improved transmission efficiency and throttle response. It is perfect for drivers who want a higher stall speed to enhance launch performance without sacrificing reliability or drivability during daily use. Whether upgrading a Chrysler 300C, Dodge Charger R/T, or Dodge Challenger SRT8, this torque converter delivers noticeable improvements in power delivery and lock-up performance.

FTI Performance builds racing-focused transmissions and torque converters for street/strip and dedicated drag applications. With converter options tuned for different power levels and use cases, FTI is a staple in builds where consistent launches, efficient power transfer, and drivetrain durability are non-negotiable.