Motor Mount Solid Bushing Upgrade KitEngine movement (deflection) is wasted horsepower, and that power is yours! BMR Suspension wants you to take it back with its billet aluminum solid motor mount upgrade. If you have a BMR Suspension K member with integrated engine mounts, BMR? s new solid motor mount upgrade (MM006) eliminates all engine movement allowed by the polyurethane engine mounts that come with the K member. This gives you maximum throttle response on the street and track. BMR