Big Bore Stroker + Air Extreme / Pro r Core Options:By Engine Outright Because the 850 and 9R

Because the 850 and 9R engines have different backpressure needs

Also compatible with our whisper biscuit HERE

Avoid the failures that come with stock plug wires and feel a boost of horsepower with a Dynojet Ignition Coil Kit for your UTV

Great horsepower and snappy torque gains

Once engaged

Big Bore Stroker + Air Extreme / Pro r Core Options:By Engine Outright Because the 850 and 9RThe Bikeman Performance Crate Engine provides the ultimate performance and reliability for your Pro R RZR. This 2. 3L Naturally Aspirated engine offers a smooth idle and daily drivable manners. When you are ready to roll into the throttle, the engine is full of low end punch and comes to life in the high RPM's. The high flow CNC cylinder head and high lift camshaft allow this engine to accelerate its 395hp aggressively to 9000 rpm. Lean into the