Suited for all those critical high speed, single powered outboard boats, like Bass, Flats, combo Race/Ski and other performance orientated boats capable of speeds in excess of 65mph. The SeaStar Pro Front Mount Outboard Cylinders have keyed support brackets to prevent racking of the cylinder which gives it a more solid feel and more robust bushings. For optimal performance we recommend to combine the use of SeaStar Pro Helms and reinforced Kevlar hoses only(1500 psi). Adjustable stainless steel O-ring fittings (ORB).