We offer 3 different stages of head porting or head modifications for Polaris Sportsman 850 XP Models. We offer these different stages to meet the needs of individuals who either want to slightly modify their heads or fully modify their heads to its highest potential. So if you’re just looking to beat your buddy across the street or have a full race ready set-up like Team Bayou Snorkels.

APPLICATIONS: Polaris Sportsman 850 XP Models

STAGE 1: Head porting, intake & exhaust guide modifications if necessary.
POL850HP-1 | Head Porting - Stage 1 | Starting at $500.00

STAGE 2: All of stage 1 plus a 3 angle valve job.
POL850HP-2 | Head Porting - Stage 2 | Starting at $990.00

STAGE 3: All of stage 2 plus larger intake valves.
POL850HP-3 | Head Porting - Stage 3 | Starting at $2600.00

EXCHANGE: All Prices are on exchange basis. We have completed units on the shelf for outright sale as well. NOTE: Stage 2 or higher is suggested on all of these units.