Jaguar XJ Spark Plug Replacement

Resistor Type Gap 0.032in ; Plug Type RN12YC

Non-Resistor Type Gap 0.032in OE Type ; Plug Type N12YC

Resistor Type Gap 0.025in ; Plug Type RN7YC

Gap 0.032 O.E. Recommended Resistor Plug with Patented U-Groove Design

Gap 0.035"

Gap 0.035" OE Equivalent Design

Gap 0.032in; Plug Type RN14PMC

Gap 0.035"

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

Gap 0.025in; Plug Type RN9PYP

Gap 0.032in; Plug Type RN14PYP

Gap 0.025in; Plug Type RN8WYPB3

Gap 0.040in; Plug Type REA9WYPB4

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

Gap 0.035"

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)

Original Center Electrode Material is Iridium Do Not Gap, Gap is Preset

Original Center Electrode Material is Iridium Do Not Gap, Gap is Preset

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

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

Gap 0.040" Actual OE Manufacturer 105,000 mi OE Mfr Recommended Service Interval

Gap 0.032" Actual OE Manufacturer; OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs. 96,000 mi OE Mfr Recommended Service Interval

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