Denso Iridium Power Spark Plug - IKH16 - 5343 InlinePRO resulting in minimal stress on

resulting in minimal stress on the plastic OEM heat exchanger mounts

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Filter Cap OD: 5

We have used the 1/4" adapter on RSX and 8th Gen Civic fuel feed (firewall) hardlines and the 5/16" adapter fits all of the stock EFI K-Series fuel rails we have seen so far

K20A - 10Pack

Denso Iridium Power Spark Plug - IKH16 - 5343 InlinePRO resulting in minimal stress onSold Per Plug Spark Plug Stock # 5343 P N IKH16 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 = 16 Seat Type = Flat Reach = 26. 5 mm Thread