Supertech Manganese 5.5mm Valve Guides for Honda K Series

Designed for 5.5mm Valve Stems Made of High-Quality Manganese Bronze for Durability and Heat Resistance Available in Intake or Exhaust Guide Packs of 8 Improves Valvetrain Longevity Description Vehicle Fitment Technical Data Included Supertech Manganese Bronze 5.5mm Valve Guides – Honda K Series Upgrade your Honda K Series engine with precision-machined Supertech Manganese Bronze Valve Guides, engineered for high-performance durability and reliability. Designed to work with low-friction nitrated valves, these guides ensure smooth valve movement, reduced wear, and improved heat dissipation, making them an essential component for high-revving K-Series builds. This set includes 8 valve guides—eight for intake or eight for exhaust—each crafted from high-quality manganese bronze. The intake guides measure 42mm in length with an 11.07mm outer diameter and a 5.5mm valve stem. The exhaust guides are slightly longer at 46.7mm while maintaining the same outer diameter and ste