Denso Q20TT Nickel Twin Tip Spark Plugs - Set of 8

If you are looking for a highly ignitable, high quality, durable spark plug without the costs usually associated with high performance plugs, then look no further. A true world first, DENSOÕs patented twin tip (TT) spark plugs feature a nickel centre and a ÔtwinÕ protruding ground electrode with a slimmer 1.5mm diameter.