Mercedes-Benz C55 AMG Spark Plug Replacement

2 Plugs Per Cylinder Required Gap 0.040in ; Plug Type RC9YC4

Gap 0.044 Resistor Plug with Patented U-Groove Design

2 Plugs Per Cylinder Required Gap 0.040in ; Plug Type RC10PYC

Twin Spark System Gap 0.040"

Gap: .040/1.0mm; w/ Dual Spark Plugs Enhanced Tapered Ground Electrode w/ Platinum Chip

Gap 0.040 Qty 2 Per Cyl. Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap

Low-Ohm Design 2 Plugs Per Cylinder Required Gap 0.040in ; Plug Type KC8WYPB4

with Dual Spark Plugs Original Center Electrode Material is Iridium Do Not Gap, Gap is Preset

Gap 0.044 Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap

Twin Spark System Gap 0.040"

Gap 0.044 Qty 2 Per Cyl. 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 0.040 Qty 2 Per Cyl. Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology

Gap 0.044 Qty 2 Per Cyl. O.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap

Twin Spark System Gap 0.040"

Twin Spark System Gap 0.040"

Twin Spark System Gap 0.040" Actual OE Manufacturer 100,000 mi OE Mfr Recommended Service Interval

Single; Plug Type 7IR6Y; [Available While Supplies Last];0.043 in. Plug Gap