Polaris Matryx RMK Boost Clutch kit 6000ft+ Clutch kit

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.

The off trail kits are designed for the backcountry low elevation rider.  These kits are a huge gain as they are precisely designed for this application improving the entire all around riding experience of throttle response and backshift.

Mountain specific kits are designed to hold a perfect rpm while climbing, improved track speed, and instant backshift for instant response power to the track.

Kits come complete with adjustable clutch weight kit, custom helix, primary spring, and secondary spring.

DONT FORGET YOUR BOOST TUBES!!