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MCB Pro-Series Long Block Motor Exchange (short block)

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Professionally assembled 800-R /800 E-tec (additional $60.00) / 2007 Summit 800R exchange engines. These Engines have professionally remanufactured crankshafts packed with Isoflex grease, new inner and outer BRP crank seals, re-plated cylinders, MCB Classic Dual Ring Pistons, Winderosa/MCB gaskets. This requires you to send yours in for exchange or pay the $1000.00 Core Fee. Good cases only! All you will need is to bolt on your carbs, electrical and recoil.

- Professional inspection, gauging and assembly
- Completely re-plated cylinders gauged and honed to ensure proper piston sizing / bore clearance
- Completely re-manufactured Crankshaft (better than OE Bearings, Rods and tolerances)
- New OE Teflon Crank Seals inner and outer
- Premium MCB Dual Ring Pistons (or upgrades)
- Winderosa (OEM) gaskets
- New BRP oiling nozzles, oil lines, etc.
- All clearances are gauged and all assemblies built to OE (or better) specification
- Quench checked and set per fuel specification and elevation
- All external surfaces coated in proprietary Ceramic HI-temp coating
- Cylinder head installed and torqued to specification (making it a Long Block at no additional charge)

This motor will fit 2007 Summit 800, and all 2008-Current (Etec add $60.00) Ski Doo 800 XP's.

NOTE: WE ALSO OFFER THE SAME BUILDS FOR 600's, 800HO, Polaris 800, and many others just call for more details and pricing!
Please Call for Availability
Availability: As of Oct. 2016 we are currently at 10-12 business day turnaround on these builds.


  • 8929436
  • MCB
  • As of Oct. 2016 we are currently at 10-12 business day turnaround on these builds.

Shipping Information

  • Item Requires Shipping
  • 85.0 lbs.
  • W24.0000” x H24.0000” x L20.0000”

Customer Reviews

Comment Total Reviews (1)

800R Long Block
  • Currently 5/5 Stars

Reviewed by: Mike10/17/2016 02:32PM

Product ownership: Less than 1 year

Purchased from: MCB Performance

1600 trouble free miles and more power over the stocker! Very professional staff, and got it back in 2 weeks including shipping. Thanks MCB

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