PRO R Stage 1 rzr engines This combination has been rigorously

This combination has been rigorously tested and proven to easily handle **over 1800+ HP**

the cylinder head gasket should be inspected after each event (4-16 passes)

Every valve is made from premium grade

Features 12pt

Take tuning to the next level with the Polaris RZR Pro-R EMU Pro-8 Adapter

PRO R Stage 1 rzr engines This combination has been rigorouslyStage 1 PRO R build is an OEM refresh that will be more reliable than factory. Improved cylinder head work and improved assembly practices give this engine a much better chance in your stock machine. 1000 Mile 1 Year Warranty Run stock tune ACL rod bearings CNC valve job Balanced crankshaft Blueprinted with better clearances All engines machined and assembled on site by true professionals of the industry with over 40 years combined experience.