445cc FIC Mazda Miata MX5 NA/NB Fuel Injector Clinic Injector Set (High-Z) (is601-0445h) MAC Valve What is the difference between

What is the difference between FPD-R and FPD-XR

They include all of the robust features found in the original CD-7 Carbon Dash

Just another way to make your MKIV Toyota Supra engine bay stand out from PHR

Brass fittings and a breather are included

445cc FIC Mazda Miata MX5 NA/NB Fuel Injector Clinic Injector Set (High-Z) (is601-0445h) MAC Valve What is the difference betweenMazda Miata MX5 '89 '05 NA NB Fuel Injector Clinic Injector Set: 4x445cc Saturated High Impedance Ball & Seat Injectors. These injectors utilize the latest technology and provide great linearity and short pulse width repeatability. Includes pigtails PGTUSC4 or add Plug & Play adaptors PADPUtoD4. Fuel Injector Clinic's high performance fuel injector sets are precisely flow matched to within 1%. Each injector within each set is individually numbered and