CNS Boost ** Updated** Helix and Primary Spring. Adjustable Brake Lever We've had certain customers do

We've had certain customers do the install in under an hour

EVOL air chamber (ski)

It passes the stationary SAE J-2567 stationary sound test below 88 decibels but gives a more exciting sound at the higher RPM ranges

crisp throttle response

CNS Boost ** Updated** Helix and Primary Spring. Adjustable Brake Lever We've had certain customers doWe have been working a lot with the Polaris Boost to get the absolute best bottom end throttle response. Through a lot of R&D and testing we have came out with a new custom helix in conjunction with our same weight and spring combination, so if you already have our clutch kit all you will need is this helix and primary spring. Secondary Spring and weights are the same. The bottom end is extremely aggressive and and responsive if you are looking for 9r