Supertech Performance GDE-SUEJ6-E-8 Manganese Bronze Exhaust Valve Guides for Subaru EJ20/EJ25

Supertech Performance manganese bronze exhaust valve guides engineered specifically for Subaru EJ20 and EJ25 engines. These precision-machined valve guides deliver superior heat dissipation and durability compared to factory components, making them ideal for high-performance and racing applications.

Key Features:

• Precision-machined from high-quality manganese bronze material for exceptional strength
• 6mm valve stem diameter for proper valve fit and control
• 11.08mm outer diameter (standard size)
• 47.5mm length optimized for EJ-series cylinder heads
• Superior heat transfer properties help extend valve life
• Stronger than OEM guides for increased longevity under demanding conditions
• Compatible with both stock and performance nitride-coated valves

This kit includes 8 exhaust valve guides, providing a complete replacement set for one Subaru EJ20 or EJ25 four-cylinder engine. Designed for use in Subaru WRX, WRX STI, and other models equipped with EJ-series turbocharged engines. When combined with Supertech's low-friction nitrated valves, these guides provide an optimal solution for performance and durability in racing and high-output street applications.