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Manley Race Series valves for 2000–2003 Subaru WRX (EJ20) and 2004 STi exhaust applications, engineered for high-RPM racing use. These stainless valves feature swirl-polished under-head areas, fully machined combustion faces, chrome stems and hard tips; the exhaust versions are recommended for alcohol-fueled engines and built to withstand aggressive track demands below 8000 RPM. Choose Race Master or Race Flo shapes to match valve-train geometry and performance goals.
Manley 00-03 Subaru WRX (EJ20) / 04 STi Exhaust 32mm Stainless Race Master Valves
