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Brian Crower exhaust valves for 2002–2009 Subaru WRX and 2004–2009 STI with EJ205/EJ255/EJ257 engines are supplied as an eight-piece set with +1mm over standard tip size (33mm). These valves provide a direct-replacement upgrade intended for engine builders seeking altered valve geometry while retaining OEM-style installation practice for Subaru turbocharged engines compatible with those EJ variants.
Brian Crower 02-09 WRX / 04-09 STI EJ205/EJ255/EJ257 +1mm Over STD Tip (33mm) Exhaust Valve Set 8
