Lincoln LS Spark Plug Replacement

Gap 0.044in; Plug Type RC12YC5

Gap 0.054in; Plug Type RS12YC

Gap 0.044 Resistor Plug with Patented U-Groove Design

Gap 0.060 Resistor Plug with Patented U-Groove Design

Gap 0.044in OE Type ; Plug Type RC12PYC

Gap 0.054"

Gap 0.044"

Gap 0.044"

Gap 0.054in; Plug Type RS10PYC4

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

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

Gap 0.044"

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: .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

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

Gap 0.044in; Plug Type RC12PYP

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

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

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

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

Gap 0.044in; Plug Type RC12WYPB4

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

Gap 0.044 O.E. Recommended Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap

Gap 0.054"

Gap 0.044"

Gap .054 (in)

Gap .044 (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 0.040 Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology

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 .044 (in)

Gap 0.054"

Gap 0.044"

Gap 0.044"

Gap 0.044"

Gap 0.054"

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

Gap 0.044" OE Equivalent Design 100,000 mi OE Mfr Recommended Service Interval