Developed by Riva's race department to filter and restrict water at exhaust stinger point. Features fine mesh stainless filter screen that is threaded to accept an interchangeable Mikuni main jet (not included) for water restriction. Designed to use with single, twin and triple exhaust systems. Allows removal of restrictive filter screen in water distribution manifold of twin and triple exhaust systems providing increased cooling water to motor. Can also be used (w/out restrictor jet) as an inline water filter for electronic water injection kits. Sold individually.

Available in both 1/2 inch and 3/8 inch waterline filters help keep unwanted debris out of your motor. Inspect and clean regularly to prevent clogging.

No more clogged water lines. A must to trap all sand and shell particles. Easy to install and clean. Clear plastic view cup.