Supertech Performance GDE-MI66-E-8 Exhaust Valve Guide Set for Mitsubishi 4G63

Supertech Performance exhaust valve guides are precision-machined from high-quality manganese bronze material, engineered specifically for Mitsubishi 4G63 engines found in Evo, DSM, and other performance applications. These guides feature a 6.6mm valve stem diameter and are designed to deliver superior performance and durability in demanding motorsport environments.

Key Features:

• Precision-machined from manganese bronze for optimal performance and longevity
• Designed for use with Supertech's low-friction black nitrided valves
• 6.6mm valve stem diameter
• Exhaust application-specific design
• Available in standard and oversized configurations
• Superior thermal management for high-performance engines

These valve guides work in combination with Supertech's valve train components to provide the best solution for both performance and durability. Ideal for drag racing, rally, road racing, and other motorsport applications where reliability and precision are critical.