Nissan 720 Spark Plug Replacement

2 Plugs Per Cylinder Required Gap 0.032in OE Type ; Plug Type RN12YC

Gap 0.032in OE Type ; Plug Type RN9YC

Original Center Electrode Material is Copper/Nickel Gap 0.032 in

Original Center Electrode Material is Copper/Nickel Gap 0.043 in

Gap 0.032 Qty 2 Per Cyl. O.E. Recommended Resistor Plug with Patented U-Groove Design

Gap 0.032"

Dual Plug; Exhaust Side; 4 Req'd (4 Intake Side Plugs Also Req'd) Gap 0.032"

Gap 0.044 O.E. Recommended Resistor Plug with Patented U-Groove Design

Gap 0.032" Actual OE Manufacturer

Dual Plug; Exhaust Side; 4 Req'd (4 Intake Side Plugs Also Req'd) Gap 0.032" Actual OE Manufacturer 30,000 mi OE Mfr Recommended Service Interval

Gap 0.032"

Production: 06/1979-06/1980, NGK BP6ES - Normal Heat Range

2 Plugs Per Cylinder Required Gap 0.032in ; Plug Type RN14PMC

Production: 06/1979-06/1980, Hot Heat Range for Low-speed Driving

Exhaust Side of Head

Intake Side of Head

Plug Type RN10PYP4 2 PLUGS/CYLINDER Gap .032

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

Production: 06/1979-06/1980, NGK BP6ES - Normal Heat Range

Intake Side of Head

Intake Side of Head

Exhaust Side of Head

Exhaust Side of Head

Exhaust Side of Head

Dual Plug; Exhaust Side; 4 Req'd (4 Intake Side Plugs Also Req'd) Gap 0.032"

Intake Side of Head

Intake Side of Head

Production: 06/1979-06/1980, Hot Heat Range for Low-speed Driving

Gap 0.040 Qty 2 Per Cyl. 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

NGK BPR7ES

Gap 0.032in; Plug Type RN9PYP

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

Gap 0.032in OE Type ; Plug Type RN8WYPB3

Gap 0.044 Qty 2 Per Cyl. Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap

Dual Plug; Exhaust Side; 4 Req'd (4 Intake Side Plugs Also Req'd) Gap 0.032"

Gap 0.032"

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 0.044 Qty 2 Per Cyl. 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 Qty 2 Per Cyl. Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology

Intake Side of Head

Exhaust Side of Head

Intake Side of Head

Exhaust Side of Head