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 0.048"

Gap 0.052"

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 Platinum Do Not Gap, Gap is Preset

Original Center Electrode Material is Copper/Nickel 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 O.E. Recommended 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

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

Gap 0.050in; Plug Type RE10WYPB5

Gap 0.048"

Gap 0.052"

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

Gap 0.052"

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