Supertech Performance GDE-NSR7-ET-8 Exhaust Valve Guides for Nissan SR20DET RB26 7mm Stem

These valve guides are precision-machined from high quality Magnesium Bronze material, providing superior heat dissipation and durability in high-performance applications.

Key Specifications:

• Outer Diameter: 11.03mm
• Inner Diameter: 7mm stem size
• Length: 43mm
• Material: Manganese Bronze
• Country/Region of Manufacture: United States

Performance Benefits:

• Designed to work in combination with low friction nitrated valves for optimal performance and durability
• Superior heat resistance compared to OEM guides, especially critical in turbo and nitrous applications
• Precision-machined for exact fitment and reduced valve stem wear
• Ideal for engine rebuilds, leaky valves, and bent valves

This valve guide set is compatible with a wide range of Nissan performance applications including S13, S14, S15 240SX, Pulsar GTi-R, Skyline GT-R, and various SR20DE/DET and RB26DETT powered vehicles. The manganese bronze construction provides excellent wear characteristics and thermal stability, making these guides an essential upgrade for any serious engine build.