wow, any one with some hesitaion while accerlerating should do this. espcialy if your truck has high mileage and the ORIGINAL wires. my truck really woke up, also figured out the guy I bought it from did not put the shims on it sooooo that was the source of the brake clicking. the wires I put on are from toyota, they have the clips and the whole job took me less than 5 minutes. I had already put new Bosh plugs in it (I think they were the quad prong) ones.
next major thing is the oil leak I am develpoing at the rear main.
Rich

07 Mercedes GL 450
93 Freightliner FL 70 C/C 8.3 cummins, allison auto
96 Toyota T100 4x4 xtra cab v6 5 spd
05 KZ 41kx2 NV Toy Hauler 14'garage 43'of 5r
04 polaris 500 HO 50th year limited
02 polaris 500 HO
51 willys M38
56 Dj