GSC Power Division Exhaust Valve Guide for Nissan SR20DET Manganese Bronze Si...

GSC Power Division Exhaust Valve Guide — Nissan SR20DET (Manganese Bronze) Precision-fit replacement exhaust valve guide engineered for Nissan SR20DET engines. Manufactured by GSC Power Division from high-quality manganese bronze for improved wear resistance and thermal stability. Material: Manganese bronze for superior durability and low-friction operation. Fitment: Direct-fit for SR20DET cylinder heads — ensures correct valve stem alignment and reduced oil consumption. Performance: Maintains valve guide clearance under high temperatures and boost, extending valve and seat life. Single unit: Sold individually — purchase quantity to match your rebuild requirements. Ideal for performance builds and high-mileage restorations where factory guides show wear. Simple installation with standard machine shop procedures; recommended to be installed and checked by a qualified technician. Why choose GSC Power Division: Motorsport-derived engineering, consistent tolerances, and materials selected for endurance in forced-induction applications.