Brian Crower Intake Valve Sets for Honda CRF450 6-Piston

Brian Crower Intake Valve Sets for Honda CRF450 6-Piston High-performance intake valves engineered by Brian Crower for the Honda CRF450 6-piston cylinder head. Designed to improve airflow, throttle response, and durability for race and off‑road applications. Precision fit: CNC-ground stems and heads for exact OEM dimensions and reliable sealing. Optimized airflow: Polished faces and tailored valve profiles increase volumetric efficiency and mid-to-high RPM power. Durable materials: Heat-treated, high-alloy steel construction resists wear and valve recession under high temperatures. Perfect for builds: Ideal for rebuilt heads, ported-and-flowed cylinders, or high-compression race engines. Each set is finished to Brian Crower’s strict quality standards and ready for installation. Backed by a reputation for performance parts, these intake valves deliver consistent power gains and long service life for serious riders.