Supertech Performance GDE-H66-E-8 Manganese Bronze Exhaust Valve Guide Set Honda LS H23 6.6mm Stem

These precision-machined guides feature a 6.6mm stem diameter and are designed to deliver superior performance and durability in high-performance engine builds.

Key Features:

• Precision-machined from high-quality manganese bronze material for excellent thermal conductivity and durability
• 6.6mm stem diameter designed specifically for Honda LS/H23 exhaust applications
• Superior heat transfer capability essential for high-performance exhaust valve operation
• Designed to work optimally with Supertech low-friction black nitrided valves
• Manufactured to OEM specifications with enhanced performance characteristics

Supertech valve guides are engineered to conduct heat efficiently from the exhaust valve into the cylinder head, providing reliable performance in demanding racing and high-performance street applications. When combined with quality valves, these guides provide the best solution for both performance and long-term durability in engine rebuilds and race builds.