Valve tappet adjusting nuts M8x1, set of 12, suitable for Porsche 911 / 964 / 914

Hex nut M for valve adjusting screw, left. This lock nut is crucial for maintaining the correct valve clearance between the rocker arm or tappet and the valve stem, thus ensuring reliable valve train function and correct engine behavior. Porsche part number 99903400500.

Technical data: - Dimension: 8 × 1 mm - Dimension: 8 × 1 mm - Thread: M8x1

• Porsche 914 (1970–1976)

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