Premium replacement Eaton supercharger snout seal. This is exactly the same as the original seal that came with your unit! Every aftermarket replacement snout seal is a rubber lip seal which is not suitable for the high speed and heat of this supercharger. So, they have a short life which end up leaking. This seal is identical to the original with a double lip Fluoro seal, made exactly the same, lasting indefinitely as well. Fits All Kawasaki supercharged machines 300/310 as well as many automotive superchargers. Lip sizer tool is not required for this seal.

KP Snout Seal Manual