Ferrea Intake Valve Set for Honda B17A1/B18C1/C3 33mm 5.47mm 25 Deg S-Flo

Ferrea Intake Valve Set for Honda B17A1 / B18C1 / C3 Brand: Ferrea — Model: 33mm S-Flo Intake Valves (6000 Series) — Qty: Set of 8 Upgrade your Honda B17A1, B18C1 or B18C3 cylinder head with Ferrea's precision-engineered intake valves. These 33mm S-Flo valves feature a 5.47mm stem diameter and a 25° seat/face angle for improved flow and reliable sealing under high RPM conditions. High-flow S-Flo design: Optimized profile for increased intake airflow and throttle response. 6000 Series material: Durable construction for enhanced heat resistance and longevity. Exact fitment: Designed for Honda B17A1, B18C1 and B18C3 engines — direct replacement for stock geometry. Precision dimensions: 33mm head, 5.47mm stem, 25° seat for consistent valve-to-seat contact. Set of 8: Complete intake valve set for a four-cylinder head rebuild or performance upgrade. Perfect for naturally aspirated builds, high-rev street engines, or track applications where reliable flow and durability matter. Ferrea's reputation for OEM-level fitment and race-proven materials makes this set a top choice for Honda enthusiasts seeking improved performance without sacrificing reliability.