Supertech Performance GDE-HD55-E-8 Manganese Bronze Exhaust Valve Guides for Honda D/K Series 5.5mm

These high-quality valve guides feature a 5.5mm valve stem diameter and 11.07mm outer diameter, providing superior durability and performance for both street and racing applications.

Key Features:

• Precision-machined from high-quality manganese bronze material for exceptional durability
• 5.5mm valve stem diameter ensures proper valve movement and reduced friction
• 11.07mm outer diameter for optimal fit in Honda D and K-Series cylinder heads
• 46.7mm length specifically designed for exhaust applications
• Compatible with Honda D15, D16, D17, and K-Series engines
• Works best in combination with low-friction black nitrided valves
• Set includes 8 exhaust valve guides for complete cylinder head rebuild

Supertech valve guides are engineered to provide the best solution for performance and durability in demanding motorsport applications including drag racing, rally, and road racing. The manganese bronze material offers excellent wear resistance and thermal stability, making these guides ideal for both stock rebuilds and high-performance engine builds.