LFR5AHX NGK Ruthenium HX Spark Plug, 1-pk v168426-v168435-v168436-v168437-v168438-v168447-v168448-v168449-v168450-v168459-v168460-v168461-v168462-v295813-v295814-v295815-v295816-v295817-v295818-v568652-v166074-v166075-v166076-v166388-v166389 1961 Chevrolet R2500 Suburban 1989

1961 Chevrolet R2500 Suburban 1989 Chevrolet S10 Blazer 1983

1992 Dodge Daytona 1988

1974 Dodge W250 1984

1960 Lincoln Town Car 1989

LFR5AHX NGK Ruthenium HX Spark Plug, 1-pk v168426-v168435-v168436-v168437-v168438-v168447-v168448-v168449-v168450-v168459-v168460-v168461-v168462-v295813-v295814-v295815-v295816-v295817-v295818-v568652-v166074-v166075-v166076-v166388-v166389 1961 Chevrolet R2500 Suburban 1989NGK Ruthenium HX Spark Plugs provide maximum durability and performance where greater ignition efficiency is demanded Patented high ignitability DFE and PSPE tip designs provide the most efficient and complete fuel burn of any aftermarket plug, resulting in quicker throttle response, smoother idle and better cold starts Alloy technology provides superior oxidation resistance, delivering unparalleled durability and outstanding service life Includes 1