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Mounting of the cover is facilitated by machined aluminum supports
Below is a dyno chart provided by Iroz Motorsport in a 3rd party test
Seibon products have proven to be as strong as the driver's ambition to win
Designed to handle the abuse of high power modified engines
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.
US$ 110.00
US$ 172.50
US$ 30.00
