Lincoln Zephyr Spark Plug Replacement

Non-Resistor Type Gap 0.025in ; Plug Type H10C

Gap 0.054in; Plug Type RS12YC

Resistor Type Gap 0.025in ; Plug Type RH10C

Gap 0.060 O.E. Recommended Resistor Plug with Patented U-Groove Design

Gap 0.054in; Plug Type RS10PYC

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

Gap 0.054"

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; Plug Type RS12PYPB5

Gap 0.054in; Plug Type RS12WYPB4

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

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

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 100,000 mi 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"