{"product_id":"ngk-v-power-racing-spark-plugs-5238-r5671a-9-pack-of-4-oem-fit-factory-gapped","title":"NGK V-Power Racing Spark Plugs 5238 (R5671A-9) Pack of 4 — OEM-fit, Factory-Gapped","description":"\u003cp\u003e\u003cstrong\u003eNGK (5238) R5671A-9 spark plug pack of 4 is a genuine V-Power Racing replacement set designed to restore ignition reliability and consistent performance in compatible gasoline engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis four-pack of NGK V-Power Racing 5238 spark plugs provides OEM-quality ignition components for vehicles that specify the R5671A-9 \/ 5238 part number. Each spark plug in this kit is manufactured by NGK to meet the original design and materials, and the set ships with the original packaging and required hardware for a straightforward swap. Before ordering, verify vehicle fitment using your vehicle’s parts guide or an online confirm-fit tool to ensure proper application.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these NGK spark plugs affect starting and throttle response?\u003c\/h3\u003e\n\u003cp\u003eReplacing worn plugs with the NGK V-Power Racing 5238 set can help the engine fire more consistently, which aids smooth starts and predictable throttle transitions. While results depend on the overall condition of the ignition and fuel systems, fresh plugs reduce misfire potential and stabilize combustion.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFour OEM-spec plugs for full-bank replacement on most four-cylinder layouts\u003c\/li\u003e\n  \u003cli\u003eV-Power Racing design intended for consistent spark performance\u003c\/li\u003e\n  \u003cli\u003eIncludes original mounting hardware for a clean installation\u003c\/li\u003e\n  \u003cli\u003eDirect replacement geometry for easy drop-in fit where NGK R5671A-9 is specified\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the physical features and materials of the R5671A-9 \/ 5238 plug?\u003c\/h3\u003e\n\u003cp\u003eThe NGK 5238 plug uses NGK’s established materials and electrode layout to meet the intended heat range and spark characteristics of the original specification. Construction details focus on insulation, sealing, and electrode durability to help maintain gap integrity under normal operating conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNGK-specified electrode and insulator materials matched to part number R5671A-9\u003c\/li\u003e\n  \u003cli\u003eFactory-gapped and packaged with installation hardware\u003c\/li\u003e\n  \u003cli\u003eDesigned to meet OEM tolerance and clearance requirements\u003c\/li\u003e\n  \u003cli\u003eManufactured under NGK quality controls for consistent dimensions and finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what should I check during replacement?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward when replacing like-for-like parts: remove the old plug, compare thread size and reach, set or confirm gap if needed, and tighten to manufacturer torque specs. Use anti-seize only if recommended by the vehicle maker, and replace boots or seals if worn to preserve ignition performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConfirm thread pitch and reach against the old plug prior to installation\u003c\/li\u003e\n  \u003cli\u003eTorque to vehicle manufacturer specification to avoid damage\u003c\/li\u003e\n  \u003cli\u003eCheck plug gap when required; NGK often ships with factory gap set\u003c\/li\u003e\n  \u003cli\u003eReplace boots, wires, or coil-packs if cracked or heavily aged\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this pack fit my car and what comes in the box?\u003c\/h3\u003e\n\u003cp\u003eThis listing is for the NGK V-Power Racing 5238 (R5671A-9) four-pack intended as a direct replacement where that NGK part number is specified. The kit includes four spark plugs, original packaging, and any small hardware supplied by NGK for a complete swap. Always confirm compatibility using your vehicle’s part lookup or the retailer’s fitment checker before buying.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eContains four NGK R5671A-9 \/ 5238 spark plugs in original packaging\u003c\/li\u003e\n  \u003cli\u003eIncludes any manufacturer-supplied washers or insulators\u003c\/li\u003e\n  \u003cli\u003eSold as genuine NGK parts — not aftermarket clones\u003c\/li\u003e\n  \u003cli\u003eVerify fit with vehicle VIN or manufacturer lookup first\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? This NGK four-pack is aimed at DIY enthusiasts, fleet maintenance teams, and professional mechanics needing authentic R5671A-9 replacements. It’s best for owners of vehicles that call for NGK part number 5238 (R5671A-9) who want OEM-spec components and a complete four-cylinder replacement set. If you’re unsure about fitment, check your vehicle manual or use an online fitment confirmation tool before purchasing.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this NGK 5238 a direct fit for my vehicle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Check your vehicle’s parts guide or use an online confirm-fit tool against NGK part R5671A-9 to ensure compatibility before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the pack include installation hardware?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The four-pack ships with original NGK packaging and any small hardware supplied by the manufacturer.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":67588396220601,"sku":"B00BPF4E42","price":75.49,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/ngk-5238-front-packaging.jpg?v=1790518445","url":"https:\/\/redleafauto.ca\/products\/ngk-v-power-racing-spark-plugs-5238-r5671a-9-pack-of-4-oem-fit-factory-gapped","provider":"Redleaf Auto","version":"1.0","type":"link"}