• 999CC ProStar® EFI ENGINE

Designed specifically for extreme performance, the Polaris ProStar® 1000 engine features 999ccs of big bore twin displacement and all of the hallmark ProStar® features. This includes dual overhead cams, electronic fuel injection, and 4 valves per cylinder. It also features 48MM throttle bodies and long-tip fuel injectors giving the 2015 RZR XP 4 1000 instant throttle response, quick to rev characteristics, and the highest horsepower in the sport SxS market.

• 110 HP ProStar® 1000 H.O.

For 2015 we wanted even more power and torque! So we tweaked the cams, installed bigger valve springs and optimized the fuel map to give you 110 horses of High Output power. Dual overhead cams (DOHC) actuate four-oversized valves per cylinder, slamming a huge fuel charge into the combustion chambers of the engine for maximum performance and minimal weight.

• HIGH-FLOW CLUTCH INTAKE SYSTEM

We've completely re-designed the clutch cover, secondary helix and ducting system to offer the most durable clutch system ever on the RZR XP 1000. New ducting provides twice as much airflow and decreases belt temperature by up to 50 degrees.

• NEAR BOTTOMLESS FEEL WITH EXCLUSIVE WALKER EVANS SHOCKS

Industry-exclusive Walker Evans needle shocks deliver next level performance and tuning capabilities. Aside from the ingenious anti-bottom needle technology, the 2.5-inch diameter rear shocks feature tool-less 16-position compression dampening control, allowing you to tune for the perfect ride for any condition.

• LONG TRAVEL DUAL A-ARM INDEPENDENT FRONT SUSPENSION

The dual A-arm front suspension on the RZR XP 4 1000 delivers a plush 16-inches of travel and features a dual coil-over spring design. By using two individual springs and a crossover point versus a single dual rate spring, the RZR XP 1000 delivers a smooth, precise ride no matter the terrain.

• INDUSTRY LEADING GROUND CLEARANCE AND TIGHT TURNING RADIUS

The RZR XP 4 1000 features an industry leading 13.5