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Intake and Exhaust Valves are One Piece Forged, High Temperature, High Nickel, Inconnel Alloy. Valves are CNC finished to strict tolerances making these valves the choice for the most demanding race classes.
Inconel 751/Nimonic - These Nickel based alloy materials are used for Exhaust valves in engines that reach very high temperatures and its use is growing with the application of turbos and superchargers.
These valves can be fitted to your 4G63 head without the need for new valve seats. The standard seat can be cut for this larger item without compromising integrity.
(Price Shown is per Valve)
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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.