14-17 Ford Mustang FTI SRL6R6391-L 9.5in Street Racer Lock-Up Series Torque Converter - 6R80 - 3800RPM STALL, SINGLE DISC - Late Model

The FTI SRL6R6391-L 9.5in Billet Lock-Up Torque Converter offers 3800 RPM stall and single disc design for 2014-2017 Ford Mustangs with 6R80 transmissions. Built for 1000HP engines, it delivers superior performance and durability with billet lock-up, TIG-welded internals, and Triple Torrington bearings for smooth, reliable operation.

Top Features

  • 3800 RPM Stall for aggressive launches
  • Single Disc Design for enhanced power transfer
  • Billet Lock-Up Cover for increased strength
  • Furnace Brazed Construction for added durability
  • TIG Welded Internals for reinforced rigidity
  • Triple Torrington Bearings for smooth operation
  • 1000HP Rated for high-performance builds

Vehicle Fitment

  • Year Range: 2014-2017
  • Make: Ford
  • Model: Mustang
  • Transmission: 6R80
  • Engine: V6 and V8 Compatible
Vendor: FTI Performance
SKU: FTISRL6R6391-L
Availability: 1 In Stock
$ 989.00 USD
On-Sale $ 989.00 USD
Normally $ 1,186.80 USD
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UPC: 887753821430
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14-17 Ford Mustang FTI SRL6R6391-L 9.5in Billet Lock-Up Street Racer Torque Converter - 6R80 - 3800RPM STALL, SINGLE DISC - Late Model

The FTI SRL6R6391-L 9.5in Billet Lock-Up Street Racer Torque Converter is designed to deliver exceptional performance and reliability for 2014-2017 Ford Mustang owners looking for a high-performance upgrade. Engineered for the 6R80 transmission, this torque converter features a 3800 RPM stall and a single disc design for precise power handling and aggressive launches. Whether you're on the street or at the track, this converter is built to handle up to 1000 horsepower, making it the perfect choice for high-performance Mustang builds.

FTI Performance has integrated advanced manufacturing techniques into the design of this torque converter, including a forged billet lock-up cover, furnace brazing, and TIG-welded internals. These enhancements increase strength and durability, ensuring reliable performance under extreme conditions. Triple Torrington bearings further enhance longevity and smooth operation, providing a converter that’s ready to tackle both high-torque street driving and competitive racing.

Key Features

  • 3800 RPM Stall for aggressive launches and faster throttle response
  • Single Disc Design for optimized power handling at higher RPMs
  • Billet Lock-Up Cover for superior durability and performance
  • Furnace Brazed Construction increases internal strength and rigidity
  • TIG Welded Internals to reinforce critical areas for added reliability
  • Triple Torrington Bearings for smooth, long-lasting operation
  • 1000HP Rated for high-performance engines and modified builds
  • Designed for 6R80 Transmission, ensuring perfect fitment for 2014-2017 Mustangs

Benefits

  • Hard-Hitting Launches with a 3800 RPM stall for quicker acceleration
  • Improved Power Transfer through a billet lock-up cover, minimizing slippage
  • Long-Term Durability with furnace brazing and TIG welding for high-stress applications
  • Increased Reliability from Triple Torrington bearings that reduce friction and wear
  • Ideal for Modified Engines with a 1000HP rating to handle aggressive builds
  • 3-Year Warranty provides added peace of mind and long-term support

Product Specs

  • Size: 9.5 inches
  • Stall Speed: 3800 RPM
  • Design: Single Disc, Billet Lock-Up, Flat Design
  • Material: High-strength billet steel, premium components
  • Transmission Compatibility: 6R80
  • Horsepower Rating: Rated for up to 1000HP
  • Finish: Natural aluminum finish
  • Fitment: Direct fit for 2014-2017 Ford Mustang with 6R80 transmission

Install Difficulty Level

Installing the FTI SRL6R6391-L Torque Converter is straightforward for those with basic mechanical knowledge. On average, it takes 3-4 hours to remove the factory torque converter and replace it with this high-performance unit. If you're new to working on transmissions, consider having a professional mechanic handle the installation for optimal results.

Vehicle Fitment

  • Year Range: 2014-2017
  • Make: Ford
  • Model: Mustang
  • Transmission: 6R80
  • Engine: Compatible with both V6 and V8 engine configurations

NOTE: 2014 Mustangs can be equipped with either EARLY or LATE style transmissions, please take the necesarry steps to confirm you are choosing the right model before ordering.

For any questions about the FTI SRL6R6391-L Torque Converter or to inquire about fitment, installation, or warranty details, contact MPT Performance experts at (407) 636-7077 or via email.

Shipping Policy

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MPT Performance Returns and Refund Policy

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Refund Amounts:

  • Returns postmarked within 15 days of receipt will be refunded the purchase price minus the shipping cost MPT paid.
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Non-Refundable Items:

  • Shipping charges and any package insurance are non-refundable. If free shipping was applied to your purchase, the actual shipping cost will be subtracted from your refund.
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Year Make Model
2014-2017 Ford Mustang

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