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(Price shown is per set of 4 spark plugs) The HKS Super Fire Spark Plug is equipped with an iridium core, .4mm fine wire center electrode, a U-groove tapered side electrode and a high corrosion-resistant nickel plated housing.
This high performance plug still allows for easy start ups and prevents misfires during warm up and day-to-day driving. The melting point of iridium (2454 C) is higher than that of platinum (1769 C). Therefore, if detonation occurs, the iridium alloy can prevent melting off or breakage to the electrode.
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Evo 9 SWB is competing in the UK Time Attack series for 2019, Keep
an eye on our social media for updates and the Norris Designs
YouTube channel for in car videos.
Version 3 supercharger kits proving themselves out there all around
the world! Zero lag!
Version 4 dry sump kits in stock and ready to ship. Featuring the
SUPERB Auto Verdi oil pump.
Colt Ralliart is competing th CCRC Saloons Championship again in
2019. Going great so far!
Designs are the UK agent for Bullet engine blocks. We stock 4G63
& 4G64 versions. As used in our Evo 9 SWB demo car.