Mercury Milan Spark Plug Replacement

Gap 0.054in; Plug Type RS12YC

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

Gap 0.060 Resistor Plug with Patented U-Groove Design

Gap 0.048"

Gap 0.054in; Plug Type RS10PYC

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

Gap 0.048" OE Equivalent Design* 30,000 mi OE Mfr Recommended Service Interval

Gap 0.050in; Plug Type RE10PMC5

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

Gap 0.052"

Gap 0.048"

Gap: .054/1.4mm Enhanced Tapered Ground Electrode w/ Platinum Chip

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 Iridium Do Not Gap, Gap is Preset

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

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

Gap 0.050in; Plug Type RES11PYP5

Gap 0.054in; Plug Type RS12PYPB5

Gap 0.052"

Gap 0.054in; Plug Type RS12WYPB4

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

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

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

Gap 0.040 Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap

Gap 0.050 Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap

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

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

Gap 0.050in; Plug Type RE10WYPB5

Gap 0.052"

Gap 0.048"

Gap 0.052"

Gap .054 (in)

Gap .051 (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 0.044 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 100,000 mi OE Mfr Recommended Service Interval

Gap 0.052"

Gap 0.048"

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

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

Gap 0.052"

Gap 0.052"

Gap 0.052"

Gap 0.052" OE Equivalent Design* 100,000 mi OE Mfr Recommended Service Interval

Single; Plug Type 5IR5Y; 14 mm. Thread; 0.9840 Reach