Ignitions and Electrical› Ignition Components

E3 SPARK PLUGS

E3 Race Spark Plug 14mm x .708 Taper Seat

$4.99

SKU: E02M E3.99R-8

In Stock
In Stock
Ships by Aug 5
Free Shipping over $100
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

E3 Race Spark Plug 14mm x .708 Taper Seat

MIA's Description

The E3.99R-8 is a racing spark plug designed for high-performance applications. It features a 14mm thread diameter, a 0.708-inch thread reach, and a 5/8-inch hex size with a tapered seat. This plug is built with a cold heat range and is a non-resistor type.

Fitment

Fitment Guaranteed

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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

BrandE3 SPARK PLUGS
Part NumberE02M E3.99R-8

Videos

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Changing the Spark Plugs on (2018-2021) Honda Accord in under 10 mins - VERY EASY!!

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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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