Rev Shift - E9X M3 Transmission mounts

*Dropship: Contact us for availability. These mounts are designed for use with an E30 with an M42 engine, or E34 with the M30 or M50 .  Revshift mounts are the most durable and reliable mounts on the market. High tensile strength flanged studs are embedded deep in the urethane which prevent the isolated ends from separating under extreme loads. Utilizing class 12.9 alloy steel fasteners these mounts will hold your engine in place for a lifetime. The class 12.9 fasteners are approximately 75 percent stronger than the fasteners used on stock automotive mounts. Durometer Guide - 80A-  Slightly stiffer than stock but still an OEM feel. Good for daily driven cars, and HPDE cars that are dual use. (black in color) 95A- Stiffer than OEM, but still usable on the street for a die hard enthusiast looking for less driveline movement on spirited driving or track day use, great for track use on dual purpose cars, and dedicated track cars. (green in color) 75D- STIFF!  These are as close to solid de