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Manufacturer: Radical
Order number: G1001169.R8-LORD
2005218300001

Radical Spark Plug Various models

Article out of stock. Expected to be in stock on 13.11.2026

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€9.99 *

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Manufacturer: Radical
Order number: G1001169.R8-LORD

Radical spark plugs ensure reliable ignition and consistent engine performance in 2-stroke and 4-stroke engines. Depending on the model, they are ideal for stock engines or sport-tuned setups with high RPMs.

The iridium versions offer improved starting performance, more precise combustion, and a longer service life compared to classic standard spark plugs.

Technical Specifications

Thread diameter: 14 mm
Thread pitch: 1.25 mm
Thread length: 19 mm
Wrench size: 21 mm
Seal type: Flat seal
Noise suppression: 5 kOhm
Electrode spacing: 0.8 mm
Removable SAE connector

Variants

R9-LOSD – comparable to NGK BR9ES – standard nickel spark plug, heat range 9
R9-LORD – comparable to NGK BR9EIX – Iridium spark plug, heat range 9
R8-LORD – comparable to NGK BR8EIX – iridium spark plug, heat range 8

Special Features

1859063 with nickel center electrode
1859085 and 1859086 with a fine 0.6 mm iridium center electrode
Improved starting performance and clean combustion
Reliable ignition even at high RPMs
Long service life of the iridium versions

Package Contents

1x Radical spark plug, depending on selection