AIR FILTER 581-42007 Control unit with variable spark

Control unit with variable spark advance timing and with 3 trimmers:

Premixed with deionized water which eliminates all impurities - even distilled water contains particles of metal and chemicals which cause scarring

2017 Ski-Doo Summit SP 850 E-TEC 165"

This unique halo can be utilized in a variety of ways

AIR FILTER 581-42007 Control unit with variable sparkThick, flat foam, greaseless sealing ring ensures maximum contact with your airbox while acting as a breathable gasket for increased air passage Coarse open pore foam catches airborn dirt, grime, and sand Fine open pore inner foam acts as second filter to trap the smallest particles while ensuring maximum air passage Adhesive withstands repeated cleaning Smaller than stock to increase air space and circulation around filter exclusively formulated