Reduce that unwanted engine motion under hard acceleration with an upgraded Pitch Stop! These CNC machined 6061 aluminum Agency Power pitch stop mounts for the Subaru WRX/STI replace your factory unit with a strong, stylish, and functional mount. The AP mount features a urethane bushing with a durometer of 88 to assist in reducing transmission movement. Improve your performance by increasing rigidity in your motor and transmission. The bushing fits perfect with the included stainless steel sleeve.