Polaris RZR PRO R Supercharger Pulleys Size:3.8" 5mm thread pitch fits: Arctic

5mm thread pitch fits: Arctic Cat

And visually

Tuning Information

These RZR Pro R Adjustable Clutch Weights are purpose-built for forced induction setups pushing serious power — not stock

and satin black

Polaris RZR PRO R Supercharger Pulleys Size:3.8" 5mm thread pitch fits: Arctic5 sizes available: 3. 8" sea level 21+psi 3. 8" 4000' elevation 17psi Belt: Bando USA 6PK1285 4. 1" sea level 18psi 4. 1" 4000' elevation 14psi Belt: Goodyear 1060514 (6PK1306) 4. 5" sea level 15psi 4. 5" 4000' elevation 12psi Belt: Goodyear 1060520 (6PK1321) 4. 9" sea level 12psi 4. 9" 4000' elevation 9psi Belt: Goodyear 1060525 (6PK1334) 5. 2" sea level 8psi 5. 2" 4000' elevation 6psi Belt: Goodyear 1060532 (6PK1351) 5. 5" sea level 6psi 5. 5" 4000'