I own a JDM 1996 SIR Civic . which tranny parts do I need to put a ITR LSD in a JDM B16A S4C gearbox, I already ordered the LSD ,the ring gear and countershaft of a JDM ITR(4.40) already. But still want to know what else I will need to change to do this DIFFERENTAIL swap for example the shims to use, any suggestions will be apreciated !!!