Dual Flex Marine Mount - DF-206 The Dual Flex DF-206 Engine Mount recommended for all 4 and 6 cylinder, and V8 petrol powered engines up to 800 lbs. This mount features: Heavy duty aluminum 356 - T6 alloy construction with lip incorporated in the top of the casting to resist the upward pull of the engine - coated black to resist corrosion. Durable oil and fuel resistant elastomer element. Low profile mount - requires only 2 3/8” minimum clearance from casting base to top of leveling nut. Fail safe design - bottom pad prevents excessive impact. Easy installation with 5/8” threaded stud for vertical height adjustment. Aluminum base cast with one 1/2” mounting hole and one slotted hole for either 1/2” bolts or lag screws on 4” centers. Mounts come complete with leveling, and locking nuts. All steel parts are zinc trivalent plated for corrosion resistance. Combined Engine & Transmission Weight With 4 Point Mountings Up to 800lbs DF-206