Ferrea Competition Plus Exhaust Valve Kit 28mm STD - BMW S55 | F2428P-X12


ON SALE $703.68
$506.64

Ferrea

Part# F2428P-X12

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Actual part may differ from image above.


S55 engines contain 24 valves - 12 intake and 12 exhaust this Set contains 12 STD exhaust valves.


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 5.2mm
- Stem Diameter 5.96mm
- Valve Length 112.83mm
- Valve Head Size Standard
- Valve Head Diameter 28mm
- Valve Type Exhaust
- Valve Stem Diameter 5.96mm
- Valve Material Stainless Steel, Super Alloy



Replaces OEM Part #  11-34-7-847-033 / 11 34 7 847 033 / 11347847033




⚠️CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov


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