Ignitions and Electrical› Ignition Components

NGK

NGK R0373A-10 CL3 Racing Plug R0373A-10

$120.04

SKU: N003 R0373A-10

In Stock
In Stock
Ships by Jun 10
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The NGK R0373A-10 is a racing spark plug engineered to withstand harsh engine conditions. It features a fine wire iridium tipped center electrode and a platinum tipped ground electrode for improved ignitability, increased durability, and enhanced anti-fouling capabilities. The plug's special insulator nose configurations aim to improve throttle response, while corrugated ribs prevent flashover.

Fitment

Fitment Guaranteed

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on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandNGK
Part NumberN003 R0373A-10

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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