Please Install new parts only. You can check with Japan Autos at plaza, he is the best Toyota genuine parts dealer in Karachi... Rates are a little high but quality and peace of mind...
For having the head faced and cylinder sleeves cross honned check with a shop next to mehfooz shermal at waterpump... I had my lancer's work done from him 100k KMS ago... Allah ka shukar still working. Also there is a laith shop Raja Rehmat Shell Petrol Pump, next to Gola Wala shop who will do the same work..