This fuel rail kit is designed to be used on Professional Products intake manifolds 56032 and 56033. The kit includes extruded aluminum fuel rails, stainless steel mounting brackets and stainless hardware. The kit includes a -06AN stainless braided crossover hose with -06AN swivel hose ends. A Professional Products 10671 EFI fuel pressure regulator is also included and is adjustable from 25 to 75 PSI. Additional fittings required for fuel line connections are also included.