Wrench size: 16mm
Thread size: 10mm
Thread length: 19mm
Spark position: 2.5mm
Fits for most models:
APRILIA
CAGIVA
EAT RACING
KTM
KAWASAKI
PEUGEOT
SHERCO
SUZUKI
TRIUMPH
VOR
*May fit for other models.

NGK - one of the world's most popular spark plug manufacturers was established in Japan in 1936.