I know i Know its been asked hundreds of times before ! this ones for Hamish if hes reading. Have rica 310 and drive car hard , very hard and use the usual ngk plugs BKR7EVX i swear by ngk used them i my bikes and several t5,s however none have been rica,d so would i be better upgrading plug to another ngk if so which ones,why,and do you sell them
cheers
mike.....
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