Ignitions and Electrical› Ignition Components

NGK

H. I. SPARK PLUG

$38.14

SKU: N003 97939

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The NGK 97939 is a Laser Iridium spark plug designed for performance enthusiasts. It features a fine wire center electrode made of an iridium alloy with a high melting point, ensuring a durable and stable spark. The plug also includes trivalent metal plating for superior corrosion and seizure resistance, corrugated ribs to prevent flashover, and a pure alumina silicate ceramic insulator for strength and heat transfer.

Fitment

Fitment Guaranteed

Don’t gamble
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.

Available on iOS & Android

Specifications

BrandNGK
Part NumberN003 97939

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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