I use roof and gutter silicon to stick all of my coil covers on. It is there until the cover wears through. After it wears through I just peel it off and re silicone the new one on. Or I usually replace the standard cover with a pice of 1.5mm to 3mm lexan that is siliconed in place of the standard coil cover. All of my coils end up with the much tougher lexan on them after the standard coil covers wear through. Tape requies constant maintanance or crap, oftern metallic crap gets i