SPD fuel filter compact SPD's fuel filter is specially designed to work well on alcohol fuels. This is the only fuel filter we've tested in the market that really works over a long time and is reliable when driving on ethanol / E85. This is the Pre-filter model that is only to be used before fuel pumps. -Compatible with both gasoline and alcohol fuels such as E85. -Long service intervals because of the big filter area. -Built in magnetic ring to easily detect errors when changing filters -Flows for over 700hp. -Spare insert filters are available. -50mm body to fit standard mounting brackets. Measure: 120x60mm AN8 threads in filter. In the drop-down menu, select the desired adapters All SPD products hold the absolute highest quality and are carefully tested to work in the most demanding motorsport available.