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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