These American made polished aluminum High Performance fuel filters flow more fuel than most other filters. Weights only 3 ounces and has the ability to flow up to 51 ounces per minute. The 2-piece billet aluminum housing supports a pleated re-cleanable lifetime stainless steel element which filters down to 40 microns in size, yet does not permit any restriction of fuel flow. The body length of these filters is only 1 1/8" (30mm). Filter fits 5/16" (8mm) inside diameter fuel line.