Dual Flex Marine Mount - DF-2200 Series - DF-2205-2 The Dual Flex DF-2200 Series features: Heavy duty aluminum alloy construction with lip incorporated in the top of the casting to resist the upward pull of the engine. Durable oil and fuel resistant elastomer element raised above top of the casting to accommodate engine mounting angles. 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 threaded stud for vertical height and slotted casting for horizontal adjustment. Stud comes with three nuts. Leveling, locking and secondary lock. Aluminum base cast with 3/8” slotted holes for 3/8” bolts or lag screws. All steel parts are zinc dichromate plated for corrosion resistance. Available with 5/8” stud or 1/2” stud, and three size ratings dependant on engine/powertrain package weight. Engine Weight Suggested With 4 Point Mountings Up to 150 lbs - DF-2204-2 5/8" Stud - DF-2204-1 1/2" Stud 150 to 450 lbs - DF-2205-2 5/8" Stud - DF-2205-1 1/2" Stud 450 to 750 lbs - DF-2207-2 5/8" Stud - DF-2207-1 1/2" Stud