Eagle Premier Spark Plug Replacement

Gap 0.035in OE Type ; Plug Type RC12LYC

Gap 0.035in; Plug Type RS9YC Actual OE Part

Gap 0.035" OE Equivalent Design 30,000 mi OE Mfr Recommended Service Interval

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

Gap 0.035" OE Equivalent Design 30,000 mi OE Mfr Recommended Service Interval

Gap 0.035 O.E. Recommended Resistor Plug with Patented U-Groove Design

Gap 0.035in; Plug Type RS10PYC

Gap 0.035in; Plug Type RC10PEC

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

FR5-1 NGK

Gap 0.035"

Gap: .035/0.9mm Enhanced Tapered Ground Electrode w/ Platinum Chip

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

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

Gap 0.035in; Plug Type RC12PEPB5

Gap 0.035in; Plug Type RS9PYP4

Platinum Performance Life Upgrade - Do Not Gap.

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

Gap 0.035"

Gap 0.035in; Plug Type RC12WEPB5

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

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 .035 (in)

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

Gap 0.035"