Cadillac XTS Spark Plug Replacement

Gap 0.040in; Plug Type RE10PMC5

Gap: .043/1.1mm Enhanced Tapered Ground Electrode w/ Platinum Chip

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

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

Gap 0.032in; Plug Type RES8WYPB3

Gap 0.043in; Plug Type RES9PYP4

Gap 0.044"

Gap 0.036"

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

Gap 0.040in; Plug Type RE10WYPB5

Gold Double Platinum; Gap 0.040in

Gap 0.036"

Gap 0.044"

Gap 0.044" OE Equivalent Design* 97,500 mi OE Mfr Recommended Service Interval

Gap 0.044"

Gap 0.036" OE Equivalent Design* 60,000 mi OE Mfr Recommended Service Interval

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 0.032 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 0.044"

Gap 0.036"

Gap 0.036" OE Equivalent Design* 60,000 mi OE Mfr Recommended Service Interval