GSC Power Division Exhaust Valve Guide Sets for Nissan VR38DETT 6.6mm Mangane...

GSC Power Division Exhaust Valve Guide Sets for Nissan VR38DETT (6.6mm) Fitment: Nissan VR38DETT engines. Precision drop-in replacement — set of 12 guides. Manufactured by GSC Power Division , these 6.6mm manganese bronze exhaust valve guides are engineered for high-performance and longevity. The manganese bronze construction delivers superior wear resistance, improved heat transfer, and reduced valve stem wear under extreme temperatures and boost levels. Direct fit: Designed specifically for VR38DETT cylinder heads for hassle-free installation. Durable material: Manganese bronze for excellent durability and lower friction. Stopper style: Precision stopper design ensures accurate valve location and reliable sealing. Complete set: 12 guides included — all exhaust ports covered for a single rebuild. Performance focused: Ideal for track, high-boost, and modified engine applications. Upgrade your VR38DETT with GSC Power Division valve guides to reduce wear, maintain valve stability, and extend engine life. Perfect for professional engine builds and performance enthusiasts seeking reliable OEM-level fit and race-ready durability.