This kit from MMR replaces your factory restrictive fuel feed line, fuel filter from the fuel tank all the way to the fuel rails. Highly recommended for all applications using larger injectors or upgraded fuel pumps. E85 and Gasoline Compatible. Includes Black Woven NHRA accepted line, High Flow Fuel filter with replaceable stainless steel element, Quick Connect fitting for attachment to factory fuel tank, chassis clamps for attaching fuel line to body and all Fittings needed for a simple install. Available in -6 Line size or -8. -6 Suggested for up to 800HP, -8 suggested for up to 1600HP.