NGK Iridium Stock Heat Spark Plugs Box of 4 (BPR7EIX)

NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.This Part Fits: Year Make Model Submodel 1991 Alfa Romeo 164 Base 1991-1993 Alfa Romeo 164 L 1969-1971 Alfa Romeo Berlina Base 1967-1968 Alfa Romeo Duetto 1600 Spider 1964-1967 Alfa Romeo Giulia Spider 1967-1968 Alfa Romeo Giulia Sprint Base 1969-1974 Alfa Romeo GT Veloce Base 1964 Alfa Romeo GTC Base 1967-1968 Alfa Romeo GTV Base 1987-1989 Alfa Romeo Milano Verde 1969-1971,1991-1994 Alfa Romeo Spider