Brian Crower Intake Valve Sets for Mitsubishi 4G63 Eclipse/Evo 34mm

Brian Crower Intake Valve Sets for Mitsubishi 4G63 (Eclipse/Evo) — 34mm High-performance 34mm intake valves engineered by Brian Crower for Mitsubishi 4G63 engines, designed to deliver improved airflow, increased horsepower potential, and reliable durability for Eclipse and Evo applications. Precision machined from high-strength alloy for consistent seating and long service life. Optimized 34mm diameter to enhance volumetric efficiency and maximize mid-to-high RPM power. Improved flow characteristics reduce pump losses and support aggressive cam profiles and turbo setups. Direct fit for 4G63 heads used in Mitsubishi Eclipse and Lancer Evolution — no extensive modification required. Corrosion-resistant finish for dependable performance under elevated temperatures and boost pressures. Ideal for street/track builds, forced-induction upgrades, and anyone seeking a reliable bolt-in performance valve package. Pair with matched exhaust valves, springs, and retainers for best results. Upgrade your 4G63 valvetrain with Brian Crower quality — engineered for power, built for endurance.