Im looking for any ideas on ngk regular vrs ngk radium. whats the difference r they.worth the difference in price. Do they make difference. 1998 gtx rfi Thanks
Waste of money and will do nothing for a Seadoo. Just run NGK BR8ES gapped 0.024-.031"
Go to O'Riley's and ask for NGK 3961 they have the solid top terminal and are $3.69.
