Im buying something from him over the classified and its been 6 days without any news from him and he cleared my full payment already and i still havent got any news from him and i getting stressed about it

do somebody know him or something ?????

1998.5 Toreador Red/Midnight Blue Contour SVT - #5912/6535 - DOB - 05/11/1998 - RU-3530/CTA Intake Pipe MSDS Heaser/Y-Pipe Magnaflow #10435 9mm Ford racing SPEC Stage one/Spec Alum. Flywheel HERE