Product Overview
High-performance forged valve manufactured from 21-4N Stainless Steel. One-piece forged construction for exceptional strength and durability. CNC machined and heat-treated for consistency. Precision stem finish for low friction, hardened tips to resist wear.
What's Included
- 1 × Inlet Valve (21-4N Stainless Steel)
Material Specifications
Material: 21-4N Stainless Steel forged valve
Temperature Rating: Above 540°C (1000°F)
Features: Undercut stems and back-cut heads for enhanced airflow
Key Benefits
- Reduced valve mass for quicker engine response
- Improved flow characteristics for maximum power
- Heat and pressure resistance for extreme combustion conditions
- Long-term durability in high-performance applications
Installation Notes
Professional installation recommended. Correct spring heights and valve travel must be verified to avoid coil bind. For camshaft installations, always check piston-to-valve clearance and verify spring installed height. Use high-zinc break-in oil on first start.
This component forms part of the valve train system and must be selected to suit the intended engine configuration, RPM range, and camshaft design.

