Ignitions and Electrical› Ignition Components

NGK

NGK IX Iridium Spark Plug Box of 4 (BPR6EIX)

$10.44

SKU: N003 6637

In Stock
In Stock
Ships by Jul 30
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The NGK Iridium IX Spark Plug, part number 6637, is designed for performance enthusiasts, offering unparalleled ignitability and extreme durability under high-temperature conditions due to its iridium center electrode. The fine wire 0.6mm iridium tip ensures a consistently stable spark, improving acceleration and fuel efficiency. It features a tapered cut ground electrode to reduce quenching and significantly improve throttle response. Recommended for modified or high-performance engines. It also incorporates a copper core for superior heat dissipation and anti-corrosion trivalent metal plating.

Fitment

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Specifications

BrandNGK
Part NumberN003 6637

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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