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

The FTI SRL6R6391-E 9.5" Billet Lock-Up Street Racer Torque Converter delivers exceptional performance for 2010-2014 Ford Mustang owners with 6R80 transmissions. With a 3800 RPM stall and 1000HP rating, it ensures quick acceleration, durability, and reliability for high-performance applications.

Top Features

  • 3800 RPM stall for fast acceleration
  • 1000 HP rated for extreme performance
  • Billet lock-up cover for durability
  • Triple Torrington bearings for longevity
  • Furnace brazed and TIG welded internals
  • 3-year warranty

Vehicle Fitment

  • Year Range: 2010-2014
  • Make: Ford
  • Model: Mustang
  • Transmission: 6R80
Vendor: FTI Performance
SKU: FTISRL6R6391-E
Availability: 1 In Stock
$ 989.00 USD
On-Sale $ 989.00 USD
Normally $ 1,186.80 USD
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UPC: 887753821423
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10-14 Ford Mustang FTI SRL6R6391-E 9.5in Billet Lock-Up Street Racer Torque Converter - 6R80 - 3800RPM Stall, Single Disc - Early Model

The FTI SRL6R6391-E 9.5" Billet Lock-Up Street Racer Torque Converter is the ultimate choice for performance-driven Ford Mustang owners looking to unlock the full potential of their 6R80 transmission. Designed for high horsepower applications, this torque converter is rated up to 1000 horsepower and features a 3800 RPM stall for aggressive launches and rapid acceleration. Built to handle the demands of street racers and weekend warriors, the SRL6R series offers unbeatable performance, reliability, and durability. With a billet lock-up cover, furnace brazed internals, and triple Torrington bearings, this torque converter ensures exceptional power transfer, increased rigidity, and long-lasting performance.

Key Features

  • 3800 RPM stall speed for aggressive acceleration and quicker launches
  • 1000 horsepower rated for extreme performance applications
  • Billet lock-up cover for enhanced durability and reliability
  • Single-disc design optimized for performance and smooth operation
  • Triple Torrington bearings for increased longevity and smoother performance
  • Furnace brazed and TIG welded internals for superior rigidity and strength
  • 3-year warranty for peace of mind and guaranteed reliability

Benefits

  • Enhanced acceleration and improved throttle response, perfect for street racing and high-performance driving.
  • Increased reliability under high torque and horsepower conditions, thanks to billet lock-up cover and premium Torrington bearings.
  • Durability for the long haul: furnace brazing and TIG welding provide robust construction to handle the most demanding driving environments.
  • Superior performance transfer with lock-up engagement that reduces heat and improves efficiency.
  • Rated for up to 1000 horsepower, ensuring you can push your vehicle’s limits without sacrificing reliability.
  • Backed by a 3-year warranty, offering peace of mind and confidence in your purchase.

Product Specs

  • Size: 9.5 inches
  • Stall Speed: 3800 RPM
  • Material: Billet aluminum, furnace brazed, TIG welded internals
  • Bearing Type: Triple Torrington bearings for smooth, durable operation
  • Power Rating: 1000 horsepower
  • Disc Type: Single-disc
  • Transmission Compatibility: 6R80

Install Difficulty Level

The installation of the FTI SRL6R6391-E 9.5" Billet Lock-Up Street Racer Torque Converter is considered moderate. With proper tools and mechanical expertise, the installation can typically be completed in approximately 3-4 hours. It’s essential to ensure proper alignment, fluid levels, and torque specs for optimal performance. Professional installation is recommended for those without prior experience with torque converters and transmission work.

Vehicle Fitment

  • Year Range: 2010-2014
  • Make: Ford
  • Model: Mustang
  • Transmission: 6R80
  • Engine: Compatible with all engine options for the 2010-2014 Mustang equipped with the 6R80 transmission

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 report any inaccuracies in the product description, contact MPT Performance experts at (407) 636-7077 or via 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.
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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.
  • 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
2010-2014 Ford Mustang

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