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MCB Stage 4 Polaris 1000 General complete engine rebuild kit. 2016, 2017, 2018, 2019, 2020

MCB Performance Stage 4 COMPLETE Professional Engine rebuild kit for all 2016-Current Polaris General 1000'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 (choose in drop down box) and note your original cylinder casting number (for instance cylinder casting #5632934 or #5633627) to ensure getting the correct parts.

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

Genuine Polaris OEM 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 HD 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: $2,459.95

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  • 23430439
  • 23430439
  • 4424 / cam chain 322
  • MCB
  • New


Shipping Information

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

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