The Street Series Transmission Mount Bushing Kit is designed specifically for IAG Subaru EJ Transmission Mounts. IAG’s transmission mounts feature the ability to swap bushings for street or track use. The Street Series kit includes (x4) 75A durometer bushings that are slightly stiffer than the Subaru Group N mount. The 75A durometer bushings reduce the transmission movement under hard acceleration. Due to the higher durometer used in the street series bushings, slight NVH (Noise Vibration Harshness) is perceivable through the interior.
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