14-17 Ford Mustang FTI SRL6R6391-3L 9.5in Street Racer Lock-Up Series Torque Converter - 6R80 - 3800RPM STALL, Triple Disc - Late Model

Upgrade your 2014-2017 Ford Mustang with the FTI 9.5" Billet Lock-Up Torque Converter. Designed for 6R80 transmissions, it features a 3800 RPM stall, triple-disc design, and a 1000 HP rating for unmatched performance and durability. Perfect for street and track use.

Top Features

  • 3800 RPM stall for improved acceleration
  • Triple-disc, billet lock-up design
  • Rated for up to 1000 horsepower
  • Furnace brazed and TIG welded for durability
  • Triple Torrington bearings for reliability
  • 3-year warranty

Vehicle Fitment

  • Year Range: 2014-2017
  • Make: Ford
  • Model: Mustang
  • Transmission: 6R80
  • Engine Compatibility: V6, V8 (verify engine options)
Vendor: FTI Performance
SKU: FTISRL6R6391-3L
Availability: 1 In Stock
$ 1,299.00 USD
On-Sale $ 1,299.00 USD
Normally $ 1,558.80 USD
Save $ 259.80
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UPC: 887753821416
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14-17 Ford Mustang FTI SRL6R6391-3L 9.5" Billet Lock-Up Street Racer Torque Converter - 6R80 - 3800RPM Stall, Triple Disc, Late Model

Take your 2014-2017 Ford Mustang to the next level with the FTI Performance SRL6R Billet Lock-Up Street Racer Torque Converter. Designed specifically for the 6R80 transmission, this 9.5" high-performance torque converter is built to handle the demands of the street, strip, and beyond. With a 3800 RPM stall, triple-disc construction, and advanced billet lock-up design, this converter delivers unbeatable power transfer, improved acceleration, and exceptional durability. Whether you're a weekend warrior or a serious racer, the SRL6R torque converter offers the reliability and performance needed to maximize your Mustang's potential. Engineered for vehicles up to 1000 horsepower, this torque converter is as tough as your driving style.

Key Features

  • 3800 RPM Stall: Ideal for high-performance applications, the 3800 RPM stall offers quicker acceleration, better throttle response, and improved power delivery for street and race conditions.
  • Triple Disc Design: Built with a triple-disc configuration for enhanced durability and power handling, ensuring smooth operation even under high-stress conditions.
  • Billet Lock-Up Technology: Features FTI’s exclusive forged billet lock-up cover, offering superior performance and reliability compared to traditional designs.
  • Furnace Brazed Construction: Furnace brazing ensures increased internal performance and reliability, making this converter perfect for those seeking a high-performance upgrade that lasts.
  • Tig Welded: Each unit is hand TIG-welded for added rigidity and strength in critical areas, enhancing both performance and reliability.
  • Triple Torrington Bearings: Assembled with premium Torrington bearings for improved reliability and longevity, ensuring smooth operation and reducing wear over time.
  • 1000 HP Rated: Capable of handling up to 1000 horsepower, making it perfect for high-powered builds and street/track performance.

Benefits

  • Improved Power Transfer: The 3800 RPM stall speed increases torque multiplication, improving acceleration and throttle response for a more responsive driving experience.
  • Enhanced Durability: The triple-disc design, furnace brazing, and premium Torrington bearings combine to offer superior reliability and longevity, ensuring your Mustang performs under any conditions.
  • Perfect for Weekend Warriors: With its combination of street and race capabilities, this torque converter is designed for drivers who demand both reliability and high performance.
  • Tougher Than the Competition: The billet lock-up cover, TIG welding, and advanced construction make this converter tougher and more reliable than standard torque converters, ensuring it stands up to even the most aggressive driving.
  • Peace of Mind Warranty: Backed by a 3-year warranty, you can trust that FTI Performance is committed to providing a quality product that is built to last.

Product Specs

  • Torque Converter Size: 9.5 inches
  • Stall Speed: 3800 RPM
  • Material: Forged Billet Steel (Lock-Up Cover), Furnace Brazed Components
  • Design: Triple Disc, Lock-Up, TIG Welded Construction
  • Bearings: Triple Torrington Bearings
  • Transmission Fitment: 6R80 (used in late-model Ford Mustangs)
  • Horsepower Rating: 1000 HP
  • Warranty: 3-Year Limited Warranty

Install Difficulty Level
The installation of the FTI SRL6R Billet Lock-Up Street Racer Torque Converter is a moderately easy process for those with experience in performance upgrades. The typical installation time is between 4-6 hours, depending on your level of experience and access to the proper tools. For the best results, it's recommended to have the converter installed by a professional mechanic or technician to ensure a flawless setup and optimal performance.

Vehicle Fitment

  • Year Range: 2014-2017
  • Make: Ford
  • Model: Mustang
  • Transmission: 6R80
  • Engine Compatibility: V6, V8 (verify specific engine options for compatibility)

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 or to report product description inaccuracies, 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.
  • With free shipping, we will choose the best shipping method for your order. We use all major carriers, including USPS, FedEx, UPS, and DHL.

Turnaround Times:

  • MPT Tunes have a standard turnaround time of 2-3 business days, beginning once we receive your MPT Tune Form.
  • We do not process orders on weekends or observed holidays, which do not count as business days.
  • 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.
  • SCT Tuner Orders with the Prioritized Order option must have their tune forms submitted by 3PM EST to be completed the same day. Forms submitted after this time will be processed the next business day.
  • Orders will ship to the billing address listed on your order. If paying by credit or debit card, we can only ship to the billing address. Contact an MPT Expert for assistance if you need a different shipping address.

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.
  • HP Tuners Credits are non-refundable once they’ve been assigned to a device’s serial number, which occurs either during the purchase or upon completing the tune form.
  • Digital products like SCT Tuner Unlocks, HP Tuners Credits, or MPT Tunes cannot be refunded.
  • Decals/Stickers are non-refundable once received by the customer.
Year Make Model
2014-2017 Ford Mustang

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