M-674 spark plug gasket designed specifically for 18 mm spark plugs. This high-quality gasket is made from durable copper material, ensuring excellent heat conductivity and reliability. M-674 gaskets rectangular metal shape provides a precise fit for optimal sealing and combustion efficiency.
Features & Benefits
Rectangular metal shape for precise fit
Excellent heat conductivity
Prevents leakage of combustion gasses
Maintains spark plug integrity
Specifications
Cross-Sectional Shape Style: Rectangular Metal
Outside Diameter: 0.963 Inches Minimum and 0.973 Inches Maximum
Aperture Diameter: 0.715 Inches Minimum and 0.721 Inches Maximum
Cross-Sectional Thickness: 0.076 Inches Minimum and 0.084 Inches Maximum
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