Brian Crower 31.5mm Exhaust Valves (1.0mm OS) Mitsubishi EVO 8 & 9 2003-2006 / Eclipse 4G63 1990-1999 | BC3105 vendor_Sticker Fab Shift knob does not include

Shift knob does not include boot

that will not flex under hard load unlike the Stock Rubber busings

Extreme = No Muffler 🔊

Maximizes Airflow to Turbocharger

Brian Crower 31.5mm Exhaust Valves (1.0mm OS) Mitsubishi EVO 8 & 9 2003-2006 / Eclipse 4G63 1990-1999 | BC3105 vendor_Sticker Fab Shift knob does not includeBC valves are one piece design with a friction welded Stellite tip for the best possible performance. Every valve is made from premium grade, heat resistant stainless steel material to insure reliability with high boost and or high rpm applications. The undercut stem above the head area not only reduces overall weight for extended rpm potential, but also significantly improves air fuel flow in and out of the combustion chamber. Every valve is fully