2021 Polaris RZR Pro XP #9811

Adjusted the camshaft timing to optimize mid-range power gain and re-ran dyno testing, yielding an additional 20 horsepower.

Just fitted a set of 22mm adjustable springs, looking forward to seeing how they drop the car on the next track day.

Upgraded to forged pistons with 10,000 psi compression ratio and achieved a net gain of 30 horsepower over the original spec.

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