Fizzle Blow Off Valve Block-Off Kit for 50mm Flange

This blow off valve block-off kit includes an aluminum block-off plate, o-ring, and v-band clamp. It’s used to cover and seal off the 50mm blow off valve flange in the event that you decide to not use a blow off valve on your setup. This block-off kit is compatible with the 50mm flange that is included with certain Fizzle products, such as the Fizzle Yamaha Intercooler Kits and select Fizzle blow off valve kits for Sea-Doo and Yamaha.