DENSO IRIDIUM POWER IU27 spark plugs x 4 for the KAWASAKI ZX7-R ZXR750

DENSO IRIDIUM POWER spark plugs - IU 27. Picture shows IY27 but IU27 are similar.Made in Japan. 750cc:ZX-7 R (NINJA) 1996->IU27 0.7mm gap. 750cc:ZX-7 RR (NINJA ) 1996->IU27 0.7mm gap. 750cc:ZXR 750 (R) 72-89 1988->IU27 0.8mm gap.