Originally Posted by lfelunden
I've looked on several kits out there, it seems like ESS is the only without upgraded spark plugs am I right ? (I've looked on G-power, ESS, AA and VF).
Any ESS user who can tell me how often those spark plugs should be replaced
Defo the GPower has upgraded plugs but the are extortionate to replace.
But after speaking to Sal at Evolve he says they are not necessary if tuned correctly.