Ferrea Competition Plus Intake Valve Kit 27.9mm +1mm - VW/Audi 4.2T 40V | F1557P-X24

ON SALE $1,051.92


Part# F1557P-X24

Important Fitment Note:
+1 mm oversize option - Requires machine work

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Actual part may differ from image above.

4.2T engines contain 40 valves - 24 intake and 16 exhaust this Set contains 24 intake 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 5mm
- Stem Diameter 5.96mm
- Valve Length 105.1mm
- Valve Head Size 0.040" / 1mm
- Valve Head Diameter 27.9mm
- Valve Type Intake
- Valve Stem Diameter 5.96mm
- Valve Material Stainless Steel, Super Alloy
- Valve Face Dish

Replaces OEM Part #   058-109-601-C / 058109601 C / 058 109 601 C / 058109601C

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

+1 mm oversize option - Requires machine work

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