Ferrea Competition Plus Exhaust Valve 30.5mm STD (SINGLE) - BMW E46 M3

Ferrea Competition Plus Valves have built a reputation as the industry's most reliable extreme duty valve. To manufacture the valves we use special aerospace quality alloys, including the EV8-Z18, which provides high tensile strength. An exclusive two-step slow forging process ensures proper grain flow and virtually eliminates any damage to the material structure. The valves are then heat-treated and stress-relieved over a 48-hour period, which is the crucial base of our molecular integrity. These valves feature avionics-quality hard chrome along with a specially applied hard tip.


- Valve Tip Length 1.1mm
- Stem Diameter 5.95mm
- Valve Length 119.2mm
- Valve Head Size Standard
- Valve Head Diameter 30.5mm
- Valve Type Exhaust
- Valve Stem Diameter 5.95mm
- Valve Material Stainless Steel, Super Alloy



Replaces OEM Part #  11-34-7-830-888 / 11 34 7 830 888 / 11347830888