Upgrade your Honda/Acura engine’s performance and reliability with the Ferrea 5000 Series Flat +1mm Valves. Engineered for high-performance applications, these valves are designed to withstand the rigors of street and race use while delivering superior airflow and durability.
✔ Fits Honda/Acura B-Series engines: B16A, B18C1, B18C5
✔ +1mm oversize design for improved airflow and increased performance potential
✔ Flat head design for maximum compression and efficiency
✔ Manufactured from high-quality stainless steel alloys for strength and heat resistance
✔ Precision machined for exact fit and sealing
✔ Perfect for naturally aspirated or forced induction builds
✔ Designed for longevity in high-RPM and high-heat environments
Brand: Ferrea Racing Components
Series: 5000 Series
Part Numbers: F5501 (Intake), F5503 (Exhaust)
Head Type: Flat +1mm Oversized
Material: Stainless Steel Alloy
Fitment: Honda/Acura B16A, B18C1, B18C5 engines