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Mounting of the cover is facilitated by machined aluminum supports
The Vulcan is available in 17”
but designing this kit to be perfectly balanced was a requirement
Below is a dyno chart provided by Iroz Motorsport in a 3rd party test
it is analyzed and used to determine if changes in location or pitch of FDS channels are necessary before going to production
GSC P-D Chrome Polished Super Alloy Exhaust Valve 32mm Head (STD) - Subaru WRX 2002-2014 / STi 2004-2020 (Set of 8; +Multiple Subaru Fitments) Volkswagen-CC-2011 Mounting of the cover isStem Diameter (mm) Overall Length (mm) Head Diameter (mm) 6. 0 104. 65 32. 00 GSC Power Division Super Alloy Exhaust Valves for EJ20 25 Turbo are for those running high horsepower, high EGT set ups that need a valve that will last in 2000F conditions. The Super Alloy Exhaust valves have chrome polished stems to create a smooth, durable finish for added life and better lubricity, especially when paired with the GSC Manganese bronze valve guides.
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