Mercury Marauder Spark Plug Replacement

Gap 0.035in OE Type ; Plug Type RF11YC

Gap 0.054in; Plug Type RS12YC

Gap 0.060 Resistor Plug with Patented U-Groove Design

Gap 0.034" OE Equivalent Design

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

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

Gap 0.054"

Gap 0.054in; Plug Type RS10PYC4

with 14 mm Diameter Threads Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset

Gap 0.054"

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

Gap: .054/1.4mm 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 Platinum Do Not Gap, Gap is Preset

Gap 0.054in OE Type ; Plug Type RS12PYPB5

Gap 0.054in; Plug Type RS12WYPB4

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

Gap 0.050 O.E. Recommended Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap

Gap 0.034"

Gap 0.054"

Gap .054 (in)

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 0.054" OE Equivalent Design 60,000 mi (Severe) / 100,000 mi (Normal) OE Mfr Recommended Service Interval

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

Gap 0.054"

Gap 0.054"

Single; Plug Type 16IR5Y; [Available While Supplies Last];0.035 in. Plug Gap

14mm Thread; .708 in. Reach; Heat Range 6; 4 Pack;0.054 in. Plug Gap

14mm Thread; .708 in. Reach; Heat Range 6; 8 Pack;0.054 in. Plug Gap