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APR Iridium Pro Spark Plugs for the 2.9T/3.0T EA839, 4.0T EA825, 2.0/2.5/3.0/3.7T 9A2
By: APR | 2025-04-16APR Iridium Pro Spark Plugs are the excellent upgrade for tuned engines. Our spark plugs are made from Iridium, which is one of the strongest materials you can use in this type of application. They run cooler, resist preignition, last longer than other materials with higher melting points, and even require less voltage to produce a strong spark. The electrode is harder and stronger than other materials and with its copper core can dissipate heat more easily, is better protected from melting, cracking, and other limitations found with standard plugs. These plugs were designed for use on tuned and higher output vehicles that benefit from a plug cooler than the factory heat range. They are great for high boost, high cylinder pressure, high cylinder temperatures, and high power situations, and they pair nicely with a set of APR ignition coils, where applicable.
Read MoreAPR Ultralink Expands to cover the Audi RS3 (8V) and TTRS (8S)
By: APR | 2025-04-07We’re excited to announce we’ve expanded Ultralink at home flashing coverage to include the 2017-2020 Audi RS3 (8V) and 2018-2022 Audi TT RS Quattro (8S). This includes coverage for both the 2.5T EA855 EVO engine and the DQ500 7 Speed Transmission. With the APR Ultralink you can install APR ECU and TCU software, get updates, swap programs, try different octanes or options, and read and clear fault codes all from home! Learn more about our software and ultralink below.
Read MoreAPR Presents All-New Racing Rod Technology: VCRRR
By: APR | 2025-04-01Opelika, AL – APR, the world leader in performance aftermarket modifications for Volkswagen Auto Group (VAG) vehicles, has announced a revolutionary advancement in engine technology: the Variable Compression Rubber Racing Rod, or VCRRR for short. This innovation challenges conventional norms in engine internals and offers a performance solution typically reserved for far more complex, and expensive, systems.
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