Primary Clutch Spring for Polaris Patriot Boost (Trail Sled Only) - 170-300 // SKU: 05-170-300 jbcat/tech/TL-01-NX3A_new or often use it for

or often use it for different purposes

Cheap insurance for your motor

and the fitting to run a hose to the BOV

SKU: 05-170-300

6 Tungsten Tuning Slugs (for maximum weight adjustability)

Primary Clutch Spring for Polaris Patriot Boost (Trail Sled Only) - 170-300 // SKU: 05-170-300 jbcat/tech/TL-01-NX3A_new or often use it forPrimary Clutch Spring (170 300) for Polaris Patriot Boost Trail Sleds SKU: 05 170 300 IMPORTANT FITMENT NOTE: Designed specifically for Polaris Patriot Boost Trail Sleds ONLY (Indy Boost, Switchback Boost, VR1 Boost). Will NOT fit RMK mountain models. Dial in your engagement RPM and hold target shift power with the Bikeman Performance 170 300 Primary Clutch Spring for Polaris Patriot Boost trail snowmobiles. The primary spring plays a critical role in