This flywheel is designed for Subaru and some other related models. Whether you're a daily driver on the street or a racing enthusiast hitting the track, this flywheel is for you. It offers a great boost in engine performance, helping your car accelerate faster. With its heat - treated forging and induction - hardened ring gears, it's built to last. The one - piece construction makes it reliable during high - RPM driving, providing smooth operation for a wide range of Subarus and other compatible vehicles.