no im not running NGK (are they a hotter plug?) and yes there is some gas and oil on the plugs wen i pull them out, yea my valve cover gasket is leaking a little, but i didnt think any thing of it( its my # 1&4 plugs that are wet).... what would cause them to get wet and foul?.............. oh sry guys bout the 4g64 thing.... thats what the guy i bought it off of said it was thanks for lettin me know what is actually in it