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Polaris 900 Rzr 2013+ MCB STAGE 4 rebuild kit

MCB Performance Stage 4 COMPLETE Professional Engine rebuild kit for all 2013 AND UP Polaris Rzr 900's. This exclusive kit is what we use for all in-House Engine builds and is proven to address the common wear items and DRAMATICALLY increase durability with MUCH Stronger, Precision components. You MUST specify your exact year and note your original cylinder casting number (for instance 5632934) to ensure getting the correct parts.

NOTE: We also have these kits available for the 2011 and 2012 900 rzr with DRY-SUMP oiling system. See SKU#

This MCB Stage 4 Rzr rebuild kit includes ALL of the following:

Genuine Polaris completely replated cylinder block.
MCB/HR NEW Forged heavy Duty crankshaft
MCB/Wossner Custom FORGED pistons with HD pins and premium ring sets
MCB/HR NEW Super HD connecting rods with 8620 cap screws and bushed pin ends
MCB/HR Premium Fitted Main bearing set
MCB/HR Premium Fitted Rod bearing set
Complete counter balancer bearing kit
MCB/AT Complete gasket set with correct valve seals/spring seats
New OE Polaris Oil Pump complete with gear and seals
New OE Polaris COMPLETE water pump (NOT PICTURED)
New OE Polaris Oil Pump chain
New OE Polaris Cam chain
New OE Polaris Upgraded cam gear bridge (helps eliminate chain jumping)
Correct crankcase sealant

NOTE: There is a core charge that will be refunded when sending us a re-plateable cylinder back. If you have any questions on the core charges or need further information on this kit please feel free to call us. We also stock Upgraded valves, retainers, Oils, filters and many other parts for these engines.


Pricing: $2,099.95

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  • 23429484
  • 23429484
  • Polaris
  • New

Shipping Information

  • Item Requires Shipping
  • 35.0 lbs.
  • W24.0000” x H16.0000” x L10.0000”

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