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Ferrea Competition Plus 33mm S-Flo Intake Valves for Honda B17A1/B18C1/C3 (Set of 8) - F1448P

$241.85 $268.72
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Ferrea Competition Plus 33mm S-Flo Intake Valves for Honda B17A1/B18C1/C3 (Set of 8) - F1448P
$241.85 $268.72
$241.85 $268.72

Engineered for high-performance Honda B-Series VTEC engines, this set of eight Ferrea Competition Plus S-Flo intake valves (F1448P) is designed to handle the extreme heat and mechanical stresses of high-RPM racing and forced induction. These stock-sized 33mm valves feature Ferrea's signature Super-Flo (S-Flo) design, which utilizes an optimized stem and head profile to reduce drag and increase volumetric efficiency over standard factory valves.

Each valve is manufactured from proprietary aerospace-grade alloys and undergoes a multi-step heat treatment and forging process for maximum tensile strength. The 25-degree back angle is precision-machined to ensure smooth airflow transitions into the combustion chamber, making these an essential upgrade for B17A1, B18C1, and B18C3 cylinder heads requiring OE-diameter fitment with competition-grade durability.

  • Series: Competition Plus S-Flo
  • Head Diameter: 33mm (Stock Size)
  • Stem Diameter: 5.47mm
  • Back Angle: 25 Degrees
  • Material: Proprietary High-Tensile Alloy
  • Quantity: Set of 8 Intake Valves
  • Part Number: F1448P

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