HKS Nissan/Infinity VQ35HR M-Series Spark Plugs (One Step Colder)

Once your order ships, you'll receive a confirmation email with your tracking number and a link to track your shipment in real time. You can also track your order anytime by visiting the Order Status page using the link in your confirmation email. If you haven't received tracking info within 2–3 business days of your order, please contact us at Nizmopartsplug@gmail.com and we'll look into it right away.

We accept returns within 30 days of delivery on unused, uninstalled items in original packaging. A 20% restocking fee applies to eligible returns. Certain items are non-returnable, including electronic parts, special orders, and installed parts. Defective or incorrect items must be reported within 7 days. For full details, please review our Return Policy page before purchasing.

Yes — all parts sold on NizmoPartsPlug are brand new unless explicitly stated otherwise in the product listing. We source genuine OEM Nissan components and authentic aftermarket parts directly from trusted suppliers. If a part is used, refurbished, or a core charge item, it will be clearly noted in the product title and description.

Absolutely — if you don't see the part you need listed on our site, reach out to us at Nizmopartsplug@gmail.com or call us at (908) 265-4568 with the part number and we'll do our best to source it for you. We specialize in OEM Nissan and JDM components and have access to an extensive supplier network. Please note that special order parts may require a deposit and are non-returnable once ordered.