Ferrea Intake Valve Set for Audi TFSI DAZA 33.9mm 5.98mm 20 Deg S-Flo

Ferrea Intake Valve Set for Audi TFSI DAZA – 33.9mm, 5.98mm, 20° S-Flo Brand: Ferrea — engineered performance and durability for Audi TFSI DAZA engines. This set includes 10 high-quality intake valves designed to meet and exceed OE specifications. Valve Head Diameter: 33.9 mm — optimized for improved airflow and throttle response. Stem Diameter: 5.98 mm — precision ground for reduced friction and extended service life. Overall Length: 104 mm — direct fit for DAZA cylinder head geometry. Seat Angle: 20° — S-Flo design for superior combustion efficiency and flow characteristics. Configuration: Stock triple groove, Competition Plus series — ideal for high-performance street and track applications. These Ferrea intake valves combine advanced materials and S-Flo profiling to deliver increased volumetric efficiency, improved mid-range torque, and consistent valve sealing under high RPM. Precision manufacturing ensures drop-in fitment and reliability for rebuilds or performance upgrades. Perfect for: Audi TFSI DAZA engine rebuilds, performance upgrades, and motorsport use where durability and flow matter.