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2016-18 Polaris 800 Piston kit Switchback Pro RMK fix it durability kit - FORGED

2016 2017 2018 Polaris 800 Piston kit Switchback Pro RMK fix it durability kit

23430220
CYLINDER IS OPTIONAL

** NOT FOR USE IN TURBOS **

THIS KIT INCLUDES FORGED MCB DUAL RING PISTONS!

The stock 800 CFI motor runs a piston that is a total height of 2.885". The stock piston to cylinder wall clearance on the CFI motor runs from .0070"-.0090", this is considerably larger than the typical piston to cylinder wall clearance of most other water cooled two cycle engines of .0045". The stock piston also has a considerably larger taper from bottom to top .0026". These three main factors (short piston, larger piston to cylinder wall tolerance, and larger taper top to bottom) allows the piston to rock or slap within the cylinder. This results in premature ring wear, loss of compression and eventually piston skirt failure or cylinder skirt failure. The MCB fix it kit uses a piston that sets the piston to cylinder wall clearance at .0055". It uses a piston that has significant less taper, and is .240" taller or 3.125" total height. These three factors eliminate the rock or slap described above, improving the reliability.



TEAM MCB
Pricing: $599.95

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Description

** NOT FOR USE IN TURBOS **

Details

  • 23430220
  • 23430220
  • MCB
  • New

Shipping Information

  • Item Requires Shipping
  • 8.0 lbs.
  • W6.0000” x H9.0000” x L12.0000”

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