Japanese Performance and Reliability !
- Iridium spark plugs, made in Japan by GReddy & NGK
- Two grades colder than standard
- Ideal for both stock and modified Lancer Evo engines that have to withstand intensive use
- Thread length : 19 mm
- Total length : 75.5 mm (exc. electrode)
- Thread : M14x1.25
- Socket size : 21 mm
- GReddy part no. : 13000178
- Sold individually, adjust quantity in the shopping cart
GReddy Iridium Tune B-8 Spark Plug Specifications
Made in Japan by GReddy, these cold spark plugs have been specifically designed to operate at higher temperatures, helping to disperse heat inside the cylinders. This improves combustion, overall performances and engine reliability, reducing the risk of knocking.
Particularly adapted to sporty and tuned Japanese engines, they are fully compatible with Mitsubishi 4G63 engines from the famous Lancer Evolution (all models except the Evo X).










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