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NGK

NGK Spark Plug Stock # 4311

$105.99 $60.59 Save $45.40

SKU: N003 R6725-11

In Stock
In Stock
Ships by Jun 13
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The NGK R6725-11 is a racing spark plug engineered for demanding engine conditions. It features a fine wire platinum-tipped center electrode and a platinum-tipped ground electrode for improved ignitability and durability. Special insulator nose configurations enhance throttle response, while corrugated ribs prevent flashover.

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 R6725-11

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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