Big Bore 2300cc Stroker Air Extreme Head +1 +4 Complete Engine

The 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 throttle on an dirt road and the power and sound experience is liberating. All this with the peace of mind that you are commanding a durable and reliable engine.  Power level is quoted based on pump gasoline and slip-on muffler and stock header.  Race pieces will increase output. 

  We ship worldwide.

Engine is fully assembled and includes:

• Bored and Sleeved Cylinders
•  4340 billet crank, 78mm stroke, BC ProH2K rods (4.915" c-to-c), custom CP Pistons
• Oversize +1mm intake and exhaust valves (+4mm exhaust for full race version) for maximum airflow
• HD exhaust springs
• Exhaust spring retainers
• Exhaust spring keepers
• .430 lift high performance cams
• Custom CNC porting

Big power that loves to rev!

 Hard Flash is REQUIRED with this kit

Our performance exhaust is also highly recommended for optimum horsepower