丰田牛魔王点火线圈 90919-02205/90919-03002 UF386 性能提升

Toyota Supra 2JZ-GTE engine and certain 4-cylinder siblings use dedicated ignition coils, OEM number 90919-02205, compatible with 90919-03002 and UF386. Uses high-purity copper-core windings and high-temperature epoxy sealing, offering better insulation and thermal performance than OEM parts; lower failure rate under continuous high-load conditions. Function: convert low voltage to high voltage to ignite the mixture; replacement improves cold start response and throttle linearity. Installation difficulty medium; disconnect battery negative and detach related harnesses before installation; suitable for experienced repair stations.