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Manley Race Flo intake valve, 37mm, for 2000–2003 Subaru WRX (EJ20) and 2004 STi models. From Manley’s Race Series, these valves are engineered for bracket, drag, and oval track racers and are suitable for engines operating up to 8000 RPM. Stainless steel construction, swirl-polished under-head areas and fully machined combustion faces optimize flow and combustion efficiency while chrome stems and hard tips enhance wear resistance.
Manley 00-03 Subaru WRX (EJ20) / 04 STi Intake 37mm Stainless Race Flo Valve (1 valve)
