Description
Competition intake valve for the 2011–2012 Polaris RZR XP900, the Ferrea 38mm head with 5.48mm stem diameter delivers precise sealing and durability for high‑stress racing applications.
Designed and manufactured by Ferrea, this set of four intake valves targets reliable flow control and consistent valve train behavior under demanding conditions. Each dimensional attribute below is stated to communicate exact fit and function for rebuilds or performance-oriented cylinder head work.
- Valve type: Competition intake valve — engineered for intake duty to manage airflow and thermal exposure in performance engines.
- Head diameter — 38mm: A larger 38mm head provides a defined sealing surface area for efficient air charge entry and repeatable valve seat contact.
- Stem diameter — 5.48mm: The 5.48mm stem diameter specifies clearance and compatibility with stock guides or specified oversized guide installations, supporting consistent valve travel and reduced side play.
- Quantity: Set of 4 — supplied as a complete set for one cylinder head's intake valves on the specified model years.
- Application: 2011–2012 Polaris RZR XP900 — dimensioned to match the intake valve requirements for this model and model years.
Why these details matter:
- Competition intake valve designation: Indicates material selection and manufacturing focus appropriate for racing or high‑load operation where valve stability and seat integrity are critical.
- 38mm head: A specific head diameter ensures correct sealing geometry and contributes to predictable airflow characteristics when matched to the head port and seat profile.
- 5.48mm stem diameter: Precise stem sizing minimizes lateral movement in the guide, maintaining valve timing accuracy and reducing wear on guide and stem surfaces.
- Set of 4: Provides all intake valves needed for one head service, simplifying parts procurement for maintenance or performance builds.
- Ferrea brand: Ferrea's manufacturing and quality control are referenced to indicate a focus on consistency and performance in motorsports valve components.
Technical specifications summary:
- Brand: Ferrea
- Product: Competition intake valve
- Head diameter: 38mm
- Stem diameter: 5.48mm
- Quantity: Set of 4
- Intended application: 2011–2012 Polaris RZR XP900
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