Ford Racing M-12405-35T Cold Spark Plug Set for 3.5L Ecoboost

The Ford Racing M-12405-35T spark plug set is a high-performance upgrade for your Ford EcoBoost engine. It improves power, efficiency, and durability, and is compatible with most tuners and mods.

Top Features:

  • One heat range colder than stock
  • Iridium tip for longevity
  • Tapered seat for tight fit
  • Pre-gapped to 0.031-inch

Vehicle Fitment:

  • 2011-2019 Ford F-150 V6 3.5L EcoBoost
  • 2017-2019 Ford F-150 Raptor V6 3.5L EcoBoost
  • 2010-2019 Ford Taurus SHO V6 3.5L EcoBoost
  • 2010-2019 Ford Flex V6 3.5L EcoBoost
Vendor: Ford Racing
SKU: FRPM-12405-35T
Availability: 37 In Stock
$ 65.00 USD
On-Sale $ 65.00 USD
Normally
Better hurry, only 37 left in stock.

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UPC: 756122008324
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Proposition65 Warning: Cancer and Reproductive Harm

Ford Racing M-12405-35T 10-19 Ford F-150 V6 3.5L / 17-19 Raptor V6 3.5L / 10-19 Flex V6 3.5L Cold Spark Plug Set

If you are looking for a high-performance spark plug set for your Ford EcoBoost engine, look no further than the Ford Racing M-12405-35T cold spark plug set. These spark plugs are designed to handle higher than stock cylinder combustion pressures and deliver a reliable and powerful spark for your engine. Whether you are racing, towing, or just cruising, these spark plugs will ensure optimal performance and efficiency for your Ford vehicle.

Key Features:

  • One heat range colder than stock spark plug
  • Iridium tip for enhanced durability and longevity
  • Tapered seat for a secure and tight fit
  • Sold in sets of 6
  • Pre-gapped to 0.031-inch (0.8mm)

Benefits:

  • Improves engine response and power output
  • Reduces the risk of detonation and pre-ignition
  • Enhances fuel economy and emissions
  • Compatible with most aftermarket tuners and modifications
  • Backed by Ford Performance Parts warranty

Product Specs:

  • Spark plug thread size: 14mm
  • Spark plug reach: 0.750 in. (19.05mm)
  • Spark plug seat style: Tapered
  • Wrench diameter: 14mm
  • Electrode tip material: Iridium
  • Center electrode type: Projected
  • Ground strap quantity: One
  • Resistor: Yes
  • UPC code: 756122008324
  • Country of origin: Japan

Install Difficulty Level:

  • Easy
  • No special tools required
  • Estimated install time: 15 minutes

Vehicle Fitment:

  • 2011-2019 Ford F-150 V6 3.5L EcoBoost
  • 2017-2019 Ford F-150 Raptor V6 3.5L EcoBoost
  • 2010-2019 Ford Taurus SHO V6 3.5L EcoBoost
  • 2010-2019 Ford Flex V6 3.5L EcoBoost

If you have any questions about this product 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 Submodel
2011-2014 Ford F-150 FX2
2011-2014 Ford F-150 FX4
2011-2017 Ford F-150 King Ranch
2011-2017 Ford F-150 Lariat
2013-2014,2016-2017 Ford F-150 Limited
2011-2017 Ford F-150 Platinum
2017 Ford F-150 Raptor
2016-2017 Ford F-150 SSV
2011-2017 Ford F-150 XL
2011-2017 Ford F-150 XLT
2011-2017 Ford Flex Limited
2016 Ford Flex SE
2011-2014,2016-2017 Ford Flex SEL
2011-2012 Ford Flex Titanium
2011-2017 Ford Taurus SHO

Customer Reviews

Based on 14 reviews
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J
Jonathan Rich
MPT IS THE MVP

I needed to replace my plugs badly. They were causing a nightmare with misfires. I ordered these yograded cold plugs and they solved the problem. MPT is the real MVP because my phone had shipping info saved that was out dated and incorrect. Simply I gave MPT the wrong info and they fixed the order and sent it to me after the fact.

J
Jeff
Spark Plugs

I cannot say enough great things about this company. I ordered these plugs for my 2016 3.5 and when they got lost in the mail, MPT stepped up and replaced my order without hesitation! Hands down one of the best Customer service moves you can make. The plugs work perfectly and perform just like the description says. Buy with confidence from MPT. I've been tuned by them with complete happiness and all my parts come from these guys now. Thank you!

C
Chris
Great product from a great company

Plugs shipped fast and cheaper than an auto parts store. These are great for peace of mind especially if you have a few upgrades to your vehicle.

R
Ronnie Shawn
Performance Plugs from MPT

after installing these plugs I could tell a good amount of difference in the gas milage and the Quickness coming off the line

B
Brian Park
Good plugs

The plugs to go with if tuned. Checked the gap and they were all in spec. (Always check the gap) Probably the least inexpensive you'll find and fast shipping.

b
brandon corie
2017 raptor

I always get my plugs from mpt. Gapped correct right out of the box. Fresh plugs smooths the idle out on a tuned raptor especially after you’ve run the old set over 10k miles. And it’s only 6 plugs. My gen 1 had 16. It’s a easy 30 min job . Freshen up your plugs people.

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