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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
300°/306° | 13
Tuning done on 91 Premium fuel in Arizona at 1100 ft
9th Gen Honda Civic Si
providing a significant improvement in air flow and up to a 15+ WHP gain over stock intakes
NGK Iridium IX Spark Plug Box of 4 (KR7DIX-11S) Hyundai Elantra N (2021+) 300°/306° | 13FITS: 2nd Gen Acura RDX 2nd Gen Acura TSX 9th Gen Honda Accord 9th Gen Honda Civic Si THIS IS A SPECIAL ORDER ITEM NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The
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