what kind of spark plugs do i need?
what kind of spark plugs do i need? i have a sr20det bluebird b14. has low comp je pistons with eagle rods bored .020 over, guy i bought it from said to use the same spark plugs it has is in now but they are ngk iridums. tried to look up bkr7 but didnt find em at the auto parts store. does anybody know what type of plug i should use? part number? gapping? thanks