Ferrea F6056 6000 Series 36mm Intake Valve Set +1mm Oversize 20° S-Flo

These valves feature a 36mm head diameter (+1mm oversize), 5.48mm stem diameter, 106.85mm overall length, and a 20-degree Super Flow design for improved air flow characteristics.

6000 Series Construction:

• EV8 stainless steel construction using exclusive two-step slow forging process for superior strength
• Special heat-treatment and stress-relieving process for enhanced durability
• Hard chrome stems for reduced wear and friction
• Friction-welded hard tips for extended service life
• Swirl polished head for optimal flow characteristics

Performance Benefits:

• Designed to withstand high RPM and high spring pressure environments
• Higher fatigue resistance and tensile strength than competing offerings
• Race-proven design tested in multiple racing disciplines
• Ideal for street, drag racing, and rally applications

Ferrea Racing Components has been manufacturing high-performance engine valves for nearly 50 years, providing racers and engine builders with reliable valvetrain components backed by decades of racing experience and continuous technological innovation.