Seller notes

sale is a brand new High Performance Racing blow off valve kit for 2008 to current Yamaha Waverunner FZR, FZS, SVHO, FX, SHO, GP1800 Supercharged model skis. This blow off valve is a must have on all supercharged waverunner skis. Once installed, this blow off will extend the life of your supercharger. Factory supercharged skis do not have any valve relief, and every time you let off the throttle your supercharger sees a surge of air pressure. This is hard on the supercharger wheel, clutch and sh...

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