There are .25 bar(3.7psi) and .30 bar (4.4psi) springs. I have used them, actually, my cousin still managed to kill his Civic with the .25 bar spring by running 87 octane…
There are .25 bar(3.7psi) and .30 bar (4.4psi) springs. I have used them, actually, my cousin still managed to kill his Civic with the .25 bar spring by running 87 octane…