RTS OE motor mounts offer a premium replacement solution,keeping your engine mounted safely and securely for many different types of driving conditions. Suits most Windsor and Cleveland engines from mid 60's through to 80's in Falcons,Fairlanes, Mustangs and many more applications High Performance version, fitted with a special pin through the rubber giving the engine mount a postive stop travel limiter to eliminate the mount from tearing apart in a hard launch situation, but still giving you the vibration absorbing comfort of a rubber mount Note : These mounts are lower than Mackay A1140 for added bonnet clearance with hi rise manifolds and should be purchased in pairs