The VY series was designed specifically for Viking Yachts, hence were the VY came from. This mount is structured from the .5F series which is a true propulsion engine mount, with sufficient vertical deflection to obtain the desired vibration isolation. The only change to the design is double the amount of bolt down points to spread the bolt positions. This has been done as Viking Yachts incorporate an I-Beam for their main engine bearer. All metal components are plated in SA5 Cobalt Zinc for maximum corrosion resistance and durability. Themoulded components are manufactured from Polénite™a special range ofengineering heat cured polymer alloys. All our components are proudly designed and manufactured by Poly Flex.