Polaris RZR 840cc Billet Big Bore Kit now available from Muzzys

Are there any dyno results to share yet on the various configurations of these parts?
 
Sorry for not keeping up on the questions. The original test engine had MUZZY 850 billet block kit, MUZZY billet cams, MUZZY valve spring kit, and MUZZY CM push rods. The cylinder head and intake were stock. We saw a 26% increase in power over stock. We have now added the stroker kit (900 Kit) 2mm over valves and Porting. We are currently testing larger throttle bodies. We have sold quite a few of the Billet cyl. kits and have not heard of any problems so far.
 

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