ARP 2015-2022 Ford Mustang Ecoboost Custom Aged 625+ Head Stud Kit

Introducing the Custom Age 625+ head studs from SPEED PERF6RMANC3. These studs have an even higher UTS (closer to the 280 ksi limit of the material) than our previous L19 offering and have the added benefit of better corrosion resistance. We also upgraded the nuts in our head stud package to a heat treated version which have a lower failure rate when paired with an equally heat treated stud. The best part about the new 625+ studs is that we are able to keep the price the same. Many other platforms charge a premium for this material but we believe the price should stay the same even for a better product.

Our 10mm head stud kit comes with upgraded nuts and washers along with a special assembly lube that has been tested to provide the most accurate torque spec of any lube on the market. These are only available through SPEED PERF6RMANC3 and don’t stay in stock very long!

*These Head studs are for the Ecoboost 2.0/2.3L found in the Focus ST, RS & Mustang. As well as the Mazda MZR-DISI 2.3L Engines found in the Mazdaspeed3/6*

*These will work on a Fiesta ST 1.6L. However, modification will need to be done to the Cylinder Block*

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Function Factory Performance takes “customer service” very personally. We understand that finding the right parts can be overwhelming. Education and awareness are the principles that keep us ahead of the curve. Let us make this experience simple, easy, and awesome, so without hesitation give us a call at (480) 576-8606, feel free to direct message on our live chat or CLICK HERE to contact us via email.

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APR Performance

Since 1999, APR Performance has been a market leader in producing and manufacturing high-quality aerodynamic performance products for the aftermarket automobile industry.