The most tunable and precise kit on the market for your Polaris Boost.
Comes complete with Straightline’s premier weight tuning kit that uses set screws and washers for a more precise tuning. The kits comes complete with a very precise baseline that rarely needs to be changed.
Trail version kits drastically improve acceleration, MPH, and backshift. Straightline kits ensure precise rpm as this is extremely important on the Boost.
Kits are developed for stock HP and tuned machines. All kits come complete with exact instructions on all the settings. No need to test at all.
Kits come complete with adjustable clutch weight kit, custom helix, primary spring, and secondary spring.
DONT FORGET YOUR BOOST TUBES!!
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