guys today i bought a kabali ignition coil for my khyber (nippon denso red wali).it costed me 500rs.is it better than the stock blue 1 n will it work fine.and wat abt the resistor that is connected wid it..resistor stock coil ka he use kar raha hon..is it ok..rite now it workin ok but that person gave me 4 days warranty that if u wont like it,u can return it back.should i go for it or is there any other heavier coil than this.plz give me ur suggestions.thanxs