Amazon: Russell 650103 FUEL FILTER: Automotive EVIL ENERGY Inline Fuel Filter 6AN 8AN 10AN Adapter 100 Micron Universal 50MM 4.4 out of 5 stars 54. $24. Russell 650130 Red and Blue Anodized Aluminum Competition Fuel Filter 5.0 out of 5 stars 7. $23. Billet Aluminum Inline Fuel/Gas/Petrol Filter+Bracket Cleanable 30 Micron for 4.7/5(6)Price: $22 Fuel Filters - Russell Performance Products COMPETITION FUEL FILTERS Competition fuel filters are manufactured from billet aluminum and are designed for high volume systems. Utilizing a 40 micron disc element these filters are offered in -6 AN, -8 AN and 3/8" NPT male outlets. Competition filters are offered in 3 different color choices and are compatible with alcohol.