The RacingPowerSports Power Kit Stage 1 for the Kawasaki KLX400 includes the The James Dean custom jetting kit designed to improve throttle response throughout the range by using specially made multi-taper needles. These are based on the most popular settings used by new generation MX and off-road riders around the globe and the results are impressive.
It also includes the Uni Filter for unsurpassed in airflow, stopping dirt and overall performance. The two-stage air filters come apart for maximum airflow and ultimate cleaning. Each fits in stock airbox exactly like OEM filter.
Finally this kit also includes a 3x3 mod template to easily cut your original air box and increase air flow. This RacingPowerSports Power Kit will transform the way your Kawasaki KLX400 runs!