Genuine part.
Nippon Denso IW31 iridium spark plug. The fine iridium electrode delivers a strong, stable spark in the 31 heat range — a colder plug suited to hard-driven two-stroke race engines.
Read the plug after practice to confirm the heat range matches your conditions and jetting. Available from Velocity Kart Shop, Eastern Creek Sydney — Australia-wide shipping.
Details
Fitment questions? Call 0488 465 278 — we race this gear every weekend.
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