there is no usdm zc only jdm 88-91 has a black top and the bolts on the valve cover are around the out side and it will go right in all you need is a 88-89 integra dizzy and a dohc zc intake you can use a 88-89 teg you can use a zc,d16a6,88-89 teg throttle body they are all the same and you can...