Brian Crower Valve Guide Sets for Mitsubishi 4G63/Evo 6.6mm Intake (8-Pack)

Brian Crower Valve Guide Sets for Mitsubishi 4G63/Evo 6.6mm Intake (8-Pack) Brand: Brian Crower — engineered for performance and longevity. These valve guides are precision-machined to exacting tolerances to restore proper valve stem clearance and improve airflow stability in high-revving 4G63/Evo engines. Application: Mitsubishi 4G63 / Evolution intake valves Size: 6.6mm internal diameter for optimal valve stem fit Quantity: Pack of 8 — complete set for an inline-four intake bank Material & Finish: Durable, heat-resistant alloy with smooth bore for reduced wear Benefits: Restores valve-to-guide clearance, reduces oil consumption, improves sealing and consistency at high RPM Ideal for rebuilds, performance upgrades, or routine maintenance. Each guide is designed to meet or exceed OE specifications, ensuring reliable operation under track and street use. Professional installation recommended for optimal fitment and valve train alignment. Keywords: Brian Crower valve guides, 4G63 intake guides, Evo valve guide set, 6.6mm valve guides, performance valve guides