NGK Spark Plug,5/8& Hex Sz,0.551& Thread

Spark Plug; Application Automotive; Hex Size 5/8 in; Thread Size 0.551 in; Thread Reach 1 in; Ground Electrode Quantity 1; Ground Electrode Tip Design Standard; Gap Size 0.05 in; Resistor Plug Yes; Hex Size - Metric 15.88 mm; Thread Reach - Metric 25 mm; Insulator Material Ceramic; Manufacturer Heat Range 6; Seat Type Tapered; Center Electrode Diameter 0.039 in; Ground Electrode Material Platinum Core; Center Electrode Material Platinum; Compatible Engine Type L4; V6