guyz, im gonna convert my engine very soon, from experience ppl out there who have convert and stuff, could u list me down wat i should do and check out, wat i should ask for and stuff, how's the procedure? where should i go? well i have some questions...

when converting my engine, i wanna upgrade to nissan 4 pot front and back with 5 lugs knuckle, will jpj approve this? or should i just drill the rotor to pcd 114 4 holes? or any1 could tell me a good disbrake and rotor with 4 holes pcd...