Polaris RZR 850cc Big Bore Kit

Muzzys 850cc Polaris RZR

Muzzys 850cc Polaris RZR


This fully liquid cooled 84 mm cylinder is machined from billet aluminum and finished with tough nickel silicon carbide plated bores. Put it on top of a stock RZR engine and you’ve got 850cc of nearly unstoppable power. Machining the cylinder from billet offers increased wall thickness and improved coolant flow. The cylinder is offered as a kit (with 84mm pistons, rings, pins, clips, head and base gaskets) or by itself.

Manufacturer Info:

Muzzys, Inc.

Phone: 541-385-0706

Website: www.muzzys.com

Muzzys was established in 1988 by Rob Muzzy to offer “factory” level racing engines to the privateer as well as high performance exhaust systems. Rob’s racing endeavors have earned him 21 AMA National Championships in Superbike, Supersport, Drag Racing, Dirt Track, Motocross plus a World Superbike Championship. This Championship winning experience goes into every product that Muzzys manufactures.
Muzzys’ latest racing efforts have helped to create industry leading exhaust systems and performance engine upgrades for all popular Side x Side UTVs.

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