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.
How to stick boost gauge on dashboard? i'm using double sided tape but due to heat and stress from the pull of the hose, it fell off. any idea what to use?