This is a set of 4 NEW NGK spark plugs. This plugs are resistor type with a heat range "9". They are iridium tip plugs. Perfect for your coil on plug setup or for your high performance build like high boost, big nitrous shot or multiple stages, or max comp all motor. Part # is BKR9EIX or 2669.
Please check with your tuner if these are suitable for your application before purchasing.
