2012 best motorcycle spark plug 1)11 years make experice in ... )accept small order and fast delivery 3) paymen 2012 best resistance spark plugelectrode gap 0.9mm1-earthed electrodespanner size 16mmthread ... IK20, VK16, VK20, IU27, IUF22, IK01-24, IRE01-27, IU01-31, IU01-24, K20TNR-S9, XU22HRU9, K20PR-U11, K20PR-SU9, KJ20DR ... , CR8HS, CR8HSA, CR8HVX, U24FSR-U LR8A, LR8B hot!2012 best motorcycle spark plug