IAG Performance Race Series Solid Pitch Stop MountThe IAG Race Series Pitch Stop Mount is designed specifically for race applications, as it aims to eliminate engine and transmission movement under hard acceleration at the expense of NVH (Noise Vibration Harshness). The CNC machined billet aluminum mount includes (x2) small 75A durometer bushings, (x2) Solid Steel bushings and a black anodized finish for corrosion protection. The Race Series solid bushings are significantly stiffer and more rigid