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The Manley Race Series exhaust valve in 30.5mm Race Flo form is built for 1990–2000 Mitsubishi Eclipse GS/GST 2.0L (4G63/4G63T) DOHC engines and targets bracket, drag, and oval track use up to 8000 RPM. Recommended for alcohol-fueled engines, these stainless-steel valves feature swirl-polished under-head areas, fully machined combustion faces, chrome stems, and hard tips to improve flow and durability in high-revving race applications.
Manley 90-00 Mitsubishi Eclipse GS GST 2.0L (4G63-4G63T) DOHC 16 Exhaust 30.5mm Stainless Race Flo
