As per their value they are perfect. After installing in my motorcycle a little twitch to the acceleration is felt, which always gives a smile on the face every time i ride.
Really good.. Must buy product
Haven't yet installed Will.update my review after using for 3 mnths
Supar fast acceleration and better mileage...
7/12/2019....Iridium plug is superb mileage was increased definitely...i fill the power