NGK (3626) B9HS-10 Standard Spark Plug， Pack of 1<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>You can depend on NGK for quality and reliability</li><li>Constructed from durable material.Corrugated ribs prevent flash over</li><li>Insulators constructed from 99 percent pure alumina silicate</li><li>Solid core offers superior heat dissipation and conductivity</li><li>This is a non-auto plug.It is for Mercury Outboard Marine engines.</li><li>It is compatible only for mercury model no 7.5 &amp; 95， Year 1985-1979</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41l01syvH%2BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51sXDI2oqkL.jpg" noproxy>