Snow Performance Water/Methanol Injection Nozzle Holder/Check Valve Combo All Snow Performance Injection Systems come standard with our proprietary nickel plated 100% methanol resistant Nozzle Holder/Internal Check Valve design to eliminate all anti reversion and to ensure constant prime for instant injection. Offering the highest cross sectional flow rate of any system on the market, this water-meth nozzle holder offers a 360 swiveling connection for a easy clean installation! The part number for this item is Snow Performance 82204