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as well as strenuous race use where the engine will stay in the upper RPM range
the line will experience high flow from the crankcase into the intake system
Features a unique patent-pending
Glossy carbon finish looks great on any color finish
making it long lasting
GSC Power-Division Stainless Steel Intake Valves 36mm - Subaru Models (inc. 2002-2014 WRX / 2004-2021 STI) PDM_fuel-system-kits as well as strenuous raceThe 36mm Stainless Steel Intake Valves will provide optimal performance under extreme conditions in the Subaru STI. GSC Power Division 36mm Stainless Steel Intake Valves Intake Valve Specs: 36mm in size Swirl polished heads for smoother airflow over the valve Back cut to reduce valve weight for higher rpm, higher boost pressure, and allow for more aggressive cam profiles without increasing valve spring seat pressures Valve stems are micro polished to