{"product_id":"ngk-iridium-ix-spark-plug-kit-for-royal-enfield-uce-twin-spark-350-bs3-bs4-bpr5eix-cpr6eaix-9s","title":"NGK Iridium IX Spark Plug Kit for Royal Enfield UCE Twin-Spark 350 (BS3\/BS4) – BPR5EIX + CPR6EAIX-9S","description":"\u003cp\u003eThe \u003cstrong\u003eNGK Iridium IX twin-spark kit\u003c\/strong\u003e — \u003cstrong\u003eBPR5EIX + CPR6EAIX-9S\u003c\/strong\u003e — is the complete iridium ignition set for Royal Enfield's \u003cstrong\u003eUCE twin-spark 350 engine\u003c\/strong\u003e. These motors run \u003cstrong\u003etwo plugs per cylinder\u003c\/strong\u003e (a main and an auxiliary), and this kit gives you both in one box, matched to NGK's recommended iridium spec.\u003c\/p\u003e\n\u003cp\u003eBoth plugs use a \u003cstrong\u003e0.6mm fine-wire iridium centre electrode\u003c\/strong\u003e for a sharper, more focused spark than standard copper plugs. On the twin-spark UCE motor that translates to \u003cstrong\u003ecleaner combustion, smoother idle, and more reliable cold starts\u003c\/strong\u003e — and because iridium holds its gap far longer, you get consistent ignition service after service.\u003c\/p\u003e\n\u003cp\u003eThis is a \u003cstrong\u003edirect-fit OEM-spec set\u003c\/strong\u003e. It doesn't alter your tune or compression — it restores and maintains the ignition the way the engine was built to run.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFitment (NGK-confirmed — UCE Twin-Spark 350)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRoyal Enfield Thunderbird 350 \/ 350X (ABS Dual Channel)\u003c\/li\u003e\n\u003cli\u003eRoyal Enfield Classic 350 (UCE \/ BS3 \u0026amp; BS4)\u003c\/li\u003e\n\u003cli\u003eRoyal Enfield Bullet (Trials)\u003c\/li\u003e\n\u003cli\u003eRoyal Enfield Electra 350 BS3 (2015)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eThis kit is for the \u003cstrong\u003eUCE twin-spark 350\u003c\/strong\u003e (BS3\/BS4) which uses two plugs. Riding a newer \u003cstrong\u003eBS6 J-series Classic 350 or Bullet 350\u003c\/strong\u003e? That engine uses a \u003cstrong\u003esingle BPR5EIX\u003c\/strong\u003e — order our single-plug listing instead. Not sure which engine you have? Message us on WhatsApp.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e NGK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Numbers:\u003c\/strong\u003e BPR5EIX + CPR6EAIX-9S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Iridium IX Spark Plug Kit (2 plugs)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCentre Electrode:\u003c\/strong\u003e Iridium, 0.6mm fine-wire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Royal Enfield UCE twin-spark 350 (BS3\/BS4) ignition\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold as:\u003c\/strong\u003e 2-plug set (one BPR5EIX + one CPR6EAIX-9S)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete twin-spark iridium set — both plugs the UCE 350 needs\u003c\/li\u003e\n\u003cli\u003eNGK-recommended iridium fitment for the UCE twin-spark 350\u003c\/li\u003e\n\u003cli\u003eFine-wire iridium electrodes for a sharper, more focused spark\u003c\/li\u003e\n\u003cli\u003eSmoother idle and better cold starts versus standard plugs\u003c\/li\u003e\n\u003cli\u003eLong service life — iridium holds its gap between changes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NGK","offers":[{"title":"Default","offer_id":53426849120621,"sku":"NGK-SP-KIT-RE350UCE","price":1681.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/0549\/8989\/files\/ngk-iridium-spark-plug-kit-dominar-400_1080.jpg?v=1780730611","url":"https:\/\/rawtorque.in\/products\/ngk-iridium-ix-spark-plug-kit-for-royal-enfield-uce-twin-spark-350-bs3-bs4-bpr5eix-cpr6eaix-9s","provider":"Rawtorque","version":"1.0","type":"link"}