THUNDER PRODUCT TPI-1C TPI KNOBBY COARSE FILTER VALVE

THUNDER PRODUCT TPI-1C TPI KNOBBY COARSE FILTER VALVE. The vendor part number is TPI-1C. Read title to know what you are getting. Catalog descrition… TPI VALVES - SNO COARSE FILTER - SINGLE * Have an adjustable, filtered airbox opening all the time! * ATV's, Dirt Bikes, and Snowmobiles. * Change of altitude and temperature can be compensated for in the middle of your ride. * Open to the leanest position or close completely to the richest position or somewhere in between.