Please call Chris to order your kit today! (719)395-6727


Carl's Cycle 900 Big Bore kit for Polaris 850.  Includes boring, porting, replating, matching power valves, cutting the head, pistons, rings, clips, base gasket, head orings, exhaust gasket and spark plugs.


Carl's clutch kit available for an additional $290 (comes with weights, primary spring, roller bearing and helix)

Carl's Cycle 900 Big Bore kit for Polaris 850

Clutch Kit
  • All items are shipped via USPS. Expedited shipping may be available upon request - please email us at

    Please allow approximately 15 days for international deliveries.

PO BOX 625 | Buena Vista, CO | 81211

719.395.6727  |

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Created by :  Ryan McConnell