Jet Works Water Restrictor Kit 2,3,4mm JW-WRK

The Jetworks Water Restrictor Kit JW-WRK is made of 6061 aluminum and anodized for corrosion protection, it includes three polyethylene restrictors inserts and hose clamps
The 3 different sizes (2,3,4mm) of restrictor inserts which allow you to adjust water flow and exhaust temperature for more top speeds
Perfect for fine tuning water flow and pressure through engines and exhaust systems and for controlling performance and engine temperatures
Fit 3/8 water lines

Works perfect for Yamaha SuperJet GP3 exhaust waterline restrictor for more top speed