AMS Performance Infiniti Q50/Q60 Red Alpha Flex Fuel Filter Kit (For Use w/ AMS Flex Fuel Kit)The AMS Performance Q50 Q60 Red Alpha Fuel Filter Kit has been designed to be the highest quality and most sophisticated solution for fuel filtering of the VR30 engine on the market. As many have experienced, OEM fuel system component failures are fairly common on the VR30 engine, especially when using higher concentrations of ethanol like E50 or E85. Ethanol is an excellent high octane fuel source with its high alcohol content, and because of this it