SPI Trail Performance Clutch Kit Polaris 650 Patriot 129-137" 2021-

Straightline Performance Trail Performance clutch kit for Polaris 650 Patriot with a 129 or 137 in / approx. 328 or 348 cm track. Designed for 0–3,000 ft / approx. 0–914 m elevation. Fully adjustable weights, a custom trail helix and calibrated clutch springs are matched to improve acceleration, throttle response, power transfer and backshift. Fine-tune the weights to help maintain operating RPM when trail conditions change.

Fitment: Polaris 650 Patriot trail models, 129 or 137 in / approx. 328 or 348 cm track; 0–3,000 ft / approx. 0–914 m
Package includes: fully adjustable weights, custom helix and performance clutch springs
Dimensions: 11 × 9 × 6 in / 27.94 × 22.86 × 15.24 cm.