BMR Suspension K-member, SBC/BBC Motor Mounts, Standard Rack Mounts Fits: 1993-2. Engine > Cylinder Block Components > Engine Mount. K-member, SBC/BBC Motor Mounts, Standard Rack Mounts. When BMR Suspension began back in 1998, it was difficult for performance automotive enthusiasts to find suspension products that had an innovative design and quality construction at an affordable price. BMR turned this market void into a business philosophy, and has been serving our customer's needs ever since.