Denso Iridium Power Spark Plug - IK24 - 5311 21" * Designed for racecar applications

* Designed for racecar applications

Maximum Differential Fuel Pressure – 9

smooth curves come together forming a low-profile design with more under hood clearance and enhanced visual appeal

surface finish and exacting tolerances make for the best bang for the buck crankshaft

2021:Honda:Civic:Type R

Denso Iridium Power Spark Plug - IK24 - 5311 21" * Designed for racecar applicationsSold Per Plug Spark Plug Stock # 5311 P N IK24 Mfr Label = Spark Plug Iridium Power Resistance = 5000. 0 Ground Electrode Tip Design = Tapercut, U Groove Ground Configuration = Standard Ground Electrode Core Material = Nickel Center Electrode Core Material = Copper Center Electrode Tip Material = Iridium Pre Gap Size = 1. 1 mm Ground Electrode Quantity = 1 Hex Size = 16. 0 mm Manufacturer Heat Range = 24 Seat Type = Flat Reach = 19. 00 mm Thread