I think is about RM200++ new & ori from spare part shop.
What happen to your plug coil? I think my plug coil also got problem, my work shop told me that most of the time is the back 3 pcs. problem, I'll buy 1pc. to test, I think only 1pc. is problem.
Just need to know how does a Turbo work on carb. engine is it same as on EFI engine.....any workshop rekomended to do custom Turbo....in which case i buy the part the provide the expertise.Tq