Kawasaki ZX-14R | 2006-2023Increases horsepower Increases torque Improved throttle response Improves fuel efficiency Replaces OEM Part: 21171 0005 Made in USA Everything about the ZX14 is big big cc's big power big speed, Add big spark energy to the list of all things big about the ZX14 with Hi Performance Energycoil. With a higher voltage and hotter longer spark event you will feel the crispness in throttle response and acceleration rate thru the mid range all the way to the