The GSC super alloy exhaust valves were designed to withstand extreme exhaust gas temperatures while increasing airflow, strength and durability.
These valves feature chrome polished stems and swirl polished heads for a smooth and durable finish with better lubricity characteristics.
Exhaust Valve Specs
Stem Diameter: 5.5MM
Overall Length: 105.85MM
Head Diameter: 29MM (Standard) | 30MM (+1MM Oversized)
Features & Benefits:
- Increased Strength & Efficiency
- Polished Stems & Heads
- Lightweight Construction
- Complete Set For The 2008-2015 Evo X
