
GSC Power Division Intake & Exhaust Valves | EVO & DSM
The GSC intake and exhaust valves are designed using advanced 3D design and simulation software to ensure increased strength, performance and flow capabilities. These valves feature chrome polished stems and swirl polished heads for a smooth and durable finish with better lubricity characteristics making them one of the longest lasting valves available on the market. Exhaust Valve SpecsStem Diameter: 6.6MMOverall Length: 109.20Head Diameter: 30.50MM (Standard) | 31.50MM (+1 Oversized) Intake Valve Specs Stem Diameter: 6.6MMOverall Length: 109.60MMHead Diameter: 34MM (Standard) | 35MM (+1 Oversized) Features & Benefits: Increased Strength & Efficiency Polished Stems & Heads Lightweight Construction 3D Designed & Flow Tested Compatible With The 1990-1999 DSM & 1992-2006 EVO 4G63T