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: 6.6MM
Overall Length: 109.20MM
Head Diameter: 30.50MM (Standard) | 31.50MM (+1 Oversized)
Features & Benefits:
- Increased Strength & Efficiency
- Polished Stems & Heads
- Lightweight Construction
- Compatible With The 1990-1999 DSM & 1992-2006 EVO 4G63T
