SPI Clutchkit Performance Trail Polaris 550F 2018

Straightline Performance trail clutch kit for Polaris 550 Fan / EVO at 0–3,000 ft / 0–914 m. The weight tuning hardware and matched primary and secondary springs come with baseline settings for easier setup. The manufacturer reports improved throttle control, acceleration and backshift, and describes a 3 hp gain at the track rather than an engine horsepower change. Designed for trail use.

Package includes: weight tuning components, primary and secondary springs.
Dimensions: 11 × 9 × 6 in / 27.94 × 22.86 × 15.24 cm