Ferrea Intake Valve Set for Subaru EJ20 37mm 5.97mm 104.6mm 19 Deg S-Flo +1mm

Ferrea Intake Valve Set for Subaru EJ20 — S-Flo +1mm (Set of 8) Brand: Ferrea Upgrade your Subaru EJ20 engine with this high-performance Ferrea Competition Plus intake valve set. Precision engineered for racing and high-output builds, these S-Flo intake valves deliver improved airflow, durability, and valve train reliability. Fitment: Subaru EJ20 engines Valve Head Diameter: 37 mm Stem Diameter: 5.97 mm Overall Length: 104.6 mm Seat Angle: 19° Type: S-Flo Competition Plus intake valves (+1 mm) Quantity: Set of 8 valves Ferrea S-Flo valves feature a sculpted head profile for smoother flow and increased volumetric efficiency. The +1 mm sizing allows for improved flow capacity and better match to modified ports and high-lift cams, while premium materials and heat treatment ensure long life under high rpm and boost. Benefits: Better horsepower and torque response through improved intake flow High fatigue strength for competition use Precision manufacturing for consistent sealing and valve train geometry Ideal for tuners and racers seeking reliable gains from head porting, camshaft upgrades, and forced-induction builds. Ensure proper installation by a qualified machine shop and verify compatibility with your specific EJ20 variant.