Ferrea Intake Valve Set for Subaru EJ20 36mm 5.97mm 104.6mm 19 Deg S-Flo

Ferrea Intake Valve Set for Subaru EJ20 — S-Flo Performance Brand: Ferrea Upgrade your Subaru EJ20 cylinder head with this precision-engineered Ferrea S-Flo intake valve set. Designed for competition and high-performance street builds, these valves deliver improved airflow, durability, and consistent seating for maximum engine response. Fitment: Subaru EJ20 engines Quantity: Set of 8 (complete intake valve set) Valve Head Diameter: 36 mm Stem Diameter: 5.97 mm Overall Length: 104.6 mm Seat Angle: 19° Series: S-Flo / Stk Competition Plus Ferrea's S-Flo geometry optimizes port flow by smoothing transitions and reducing turbulence at the valve head, improving volumetric efficiency across the rpm range. Manufactured from high-strength materials and heat-treated for reliability, these valves withstand elevated temperatures and aggressive cam profiles. Ideal for: Turbocharged and naturally aspirated performance builds, race applications, and precision engine upgrades where flow and longevity matter. Install with matched springs, retainers, and proper valve job for best results. Choose Ferrea for race-proven intake flow and dependable operation under track conditions.