Description BOV block off Instructions CNC Machined Marine Grade Aluminum BOV Block Off Plate. Used to block off leaky blow off valves or eliminate BOV for increased boost. Fits all years 250, 260, 300, and 310 skis. Comes with block off plate, premium OEM Style gasket and hardware. Here at KP, we are always improving. This new BOV plate now has a plug to install a boost pressure gauge if you want to check exact boost pressures you are producing.
