Bentley Mulsanne Spark Plug Replacement

Original Center Electrode Material is Copper/Nickel

Gap 0.032in; Plug Type RC12YC

Gap 0.040in OE Type ; Plug Type RN14YC

Gap 0.035in OE Type ; Plug Type RN12YC

Original Center Electrode Material is Copper/Nickel

Gap 0.031in; Plug Type RN9YC

Gap 0.032 Resistor Plug with Patented U-Groove Design

Gap 0.040"

Gap 0.036"

Gap 0.036"

Gap 0.040" OE Equivalent Design

Gap 0.032in; Plug Type RC12PYC

Gap 0.035in; Plug Type RN14PMC

Gap 0.036"

Gap 0.040"

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

Gap 0.031in; Plug Type RN9PYP

Gap 0.035in; Plug Type RN14PYP

Gap 0.032in; Plug Type RC12PYP

Gap 0.031in; Plug Type RN8WYPB3

Gap 0.032in; Plug Type RC12WYPB4

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

Gap 0.036" OE Equivalent Design

Gap 0.040"

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