SPI Clutch Kit Performance Trail Polaris 900R 129-137" 2025-

Straightline Performance complete Trail Performance clutch kit for Polaris 900R with 129–146 in / 328–371 cm track at 0–3,000 ft / 0–914 m. Fully adjustable weights with a 72 g / 2.54 oz base and manufacturer-listed 98 g / 3.46 oz adjusted setting allow precise RPM tuning. A custom helix and matched primary and secondary springs improve trail acceleration, throttle response and backshift.

Package includes: adjustable weights, helix, primary and secondary springs.
Dimensions: 11 × 9 × 6 in / 27.94 × 22.86 × 15.24 cm