Mazda Millenia Spark Plug Replacement

For Sustained High Speed Driving Original Center Electrode Material is Copper/Nickel Gap 0.044 in

For City Driving Original Center Electrode Material is Copper/Nickel Gap 0.044 in

Gap 0.044in; Plug Type RC12MC4

Gap 0.044 DENSO is O.E. Manufacturer / Resistor Plug OE

Gap 0.044 DENSO is O.E. Manufacturer / Resistor Plug OE

Gap 0.044" Actual OE Manufacturer 30,000 mi OE Mfr Recommended Service Interval

NGK ZFR5F-11

Gap 0.032"

For Sustained High Speed Driving Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset

For City Driving Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset

Gap 0.044in; Plug Type RC12PMC4

Gap 0.044"

NGK ZFR5F-11

NGK ZFR5F-11

Gap 0.040 Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap

Gap 0.040 Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap

For Sustained High Speed Driving Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset

For City Driving Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset

Gap 0.044in OE Type ; Plug Type RC12PMPB4

For Sustained High Speed Driving Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset

For City Driving Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset

Gap 0.044in; Plug Type RC12WMPB4

Gap 0.044"

Gap 0.044 Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)

Gap 0.044 Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)

Gap 0.040 Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology

Gap 0.040 Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology

Gap 0.032" Actual OE Manufacturer 60,000 mi OE Mfr Recommended Service Interval Sell Out and Reorder IZFR5G (Stock # 5887)

Gap 0.032 DENSO is O.E. Manufacturer / Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap OE

Gap 0.044 Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap

Gap 0.044 Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap

Gap 0.032"

Gap 0.044"

Gap 0.044 Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap

Gap 0.044"

Gap 0.032 Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap

Gap 0.032 Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap

Optional - Cold Type

Gap 0.032" OE Equivalent Design 60,000 mi OE Mfr Recommended Service Interval

Optional - Cold Type

Optional - Cold Type

NGK ZFR5F-11