10-14 Ford Mustang FTI SRL6R6391-3E 9.5in Street Racer Lock-Up Series Torque Converter - 6R80 - 3800RPM STALL, Triple Disc - Early Model

The FTI SRL6R6391-3E torque converter offers aggressive 3800 RPM stall and triple-disc design for 2010-2014 Ford Mustangs. Built to handle up to 1000HP, it delivers exceptional acceleration, durability, and performance for high-power builds.

Top Features

  • 3800 RPM Stall for aggressive acceleration
  • Triple Disc Design for improved durability and power handling
  • Billet Lock-Up Cover for superior strength
  • 1000HP Rated for high-performance builds
  • Triple Torrington Bearings for smoother, longer-lasting operation
  • Furnace Brazed & TIG Welded for added strength
  • 3-Year Warranty for peace of mind

Vehicle Fitment

  • Vehicle Year Range: 2010-2014
  • Make: Ford
  • Model: Mustang
  • Transmission: 6R80
Vendor: FTI Performance
SKU: FTISRL6R6391-3E
Availability: 3 In Stock
$ 1,299.00 USD
On-Sale $ 1,299.00 USD
Normally $ 1,558.80 USD
Save $ 259.80
Better hurry, only 3 left in stock.

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UPC: 887753821409
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10-14 Ford Mustang FTI SRL6R6391-3E 9.5" Billet Lock-Up Street Racer Torque Converter - 6R80 - 3800RPM STALL, Triple Disc - Early Model

The FTI SRL6R6391-3E 9.5" Billet Lock-Up Street Racer Torque Converter is built to elevate the performance of your 2010-2014 Ford Mustang, particularly for high-horsepower builds and serious racing applications. Designed for 6R80 transmissions, this converter features a 3800 RPM stall speed and a triple-disc design, capable of handling up to 1000 horsepower. Whether on the street or at the track, this torque converter ensures aggressive acceleration, smoother shifts, and exceptional durability under extreme conditions. Equipped with premium features like FTI’s billet lock-up cover, furnace brazed components, and Torrington bearings, it delivers unrivaled reliability and performance that can handle the demands of the most powerful builds.

Key Features

  • 3800 RPM Stall: Aggressive acceleration and quicker spool-up for high-performance applications.
  • Triple Disc Design: More power handling and smoother shifts than single-disc converters.
  • Billet Lock-Up Cover: FTI's exclusive forged billet lock-up cover for superior strength and reliability.
  • 1000HP Rated: Built to withstand up to 1000 horsepower, ideal for modified and high-performance engines.
  • Triple Torrington Bearings: High-quality bearings for smoother operation and increased longevity.
  • Furnace Brazed & TIG Welded: Advanced furnace brazing and TIG welding techniques ensure strength, rigidity, and internal performance.
  • 3-Year Warranty: Backed by a 3-year warranty for long-lasting performance and peace of mind.

Benefits

  • Enhanced Acceleration: The 3800 RPM stall provides quick throttle response and hard-hitting acceleration, perfect for racing and high-performance street builds.
  • Increased Durability: The triple-disc design and billet lock-up cover are designed to withstand the high stresses of racing and high-horsepower builds, offering exceptional durability.
  • High-Performance Capability: Rated for 1000HP, this converter handles even the most demanding applications without sacrificing performance or reliability.
  • Smoother Power Transfer: Premium Torrington bearings and advanced welding techniques ensure smoother operation, enhancing shift quality and drivability.
  • Long-Term Reliability: With a 3-year warranty, this torque converter offers peace of mind for years of reliable use, even under extreme conditions.

Product Specs

  • Size: 9.5 inches
  • Stall Speed: 3800 RPM
  • Material: Billet aluminum lock-up cover, high-strength steel
  • Type: Triple Disc, Billet Lock-Up
  • Transmission Compatibility: 6R80
  • Power Rating: 1000 horsepower
  • Warranty: 3 years
  • Color: Metallic finish

Install Difficulty Level
Installing the FTI SRL6R6391-3E 9.5" Torque Converter is considered moderate in difficulty. With basic mechanical knowledge and the right tools, installation can be completed in about 4-6 hours. Professional installation is recommended for optimal results, but experienced DIYers can complete the installation with the detailed instructions provided.

Vehicle Fitment

  • Vehicle Year Range: 2010-2014
  • Make: Ford
  • Model: Mustang
  • Transmission: 6R80

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 more information or to discuss this product, contact the MPT Performance experts at (407) 636-7077 or by email.

Shipping Policy

MPT is proud to offer free shipping on most orders over $149.

  • Free shipping applies only to the contiguous United States. Shipping and handling charges will apply to orders outside the contiguous US, and the buyer is responsible for any duty fees or taxes their home country may charge to import goods.
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Turnaround Times:

  • MPT Tunes have a standard turnaround time of 2-3 business days, beginning once we receive your MPT Tune Form.
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  • Physical items that are in stock at MPT and ordered by 4PM EST will be shipped the same day. Orders placed after 4PM EST will be processed on the following business day.

Special Considerations:

  • Items not stocked at our location will follow the same processing times but may experience lead-time delays and could incur additional charges. Shipping methods may vary for these items based on what was paid and the requested delivery speed. If you need an item by a specific deadline, please contact an MPT Expert.
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MPT Performance Returns and Refund Policy

  • A Return Authorization Number (RA #) is required for all returns. Please contact an MPT Expert to obtain an RA# before sending anything back.
  • MPT tuning charges and license fees are non-refundable. The sale is final once MPT has sent the tune file via email, which applies to both new tune purchases and tune updates.

Returnable Products:

  • Products (other than MPT Tunes) may be returned within 30 days as long as they have not been installed and are in brand new, unused condition with original packaging. Installed products are non-refundable. MPT reserves the right to deny a return if the product shows signs of installation or damage.
  • Vehicle programmers/tuners that have loaded a tune onto a vehicle cannot be returned.

Refund Amounts:

  • Returns postmarked within 15 days of receipt will be refunded the purchase price minus the shipping cost MPT paid.
  • Returns postmarked between 16 and 30 days will be refunded the purchase price minus a 25% restocking fee and the shipping cost.
  • After 30 days, all sales are final.

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
2010-2014 Ford Mustang

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