Chevrolet Sonic Spark Plug Replacement

Gap 0.028in; Plug Type RC9YC

Gap 0.032 Resistor Plug with Patented U-Groove Design

Gap 0.028in; Plug Type RC7PYCB

Gap 0.028in; Plug Type RC9PYC

Gap: .028/0.7mm Enhanced Tapered Ground Electrode w/ Platinum Chip

Gap: .028/0.7mm 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

Gap 0.028in; Plug Type RC8WYPB3

Gap 0.027"

Gap 0.027"

Gap .028 (in)

Gap 0.044 Iridium Power - Performance Upgrade with Worlds 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

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

GM Original Equipment Iridium; Original Equipment; GAP .028; GAP PRE-SET AT FACTORY, DO NOT RE-GAP

Gap 0.032 Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap

Gap 0.027" OE Equivalent Design* 60,000 mi OE Mfr Recommended Service Interval

Gap 0.027"

Gap 0.027"

Gap 0.027"

Gap 0.027" OE Equivalent Design* 97,500 mi OE Mfr Recommended Service Interval

Gap 0.032 O.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap