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Engines Built To Order

Estimated build time is currently 10-12 weeks

Please note, that there may be circumstances that may delay the build process including (but not limited to) part shortages and backorders beyond our control.

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Installation Guides

Find the important information you need to install this engine into your build, as well as our recommended break-in procedure.

Install Guides
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Mountune Racing Engines

mountune High Performance 2.3L EcoBoost Stroker N1 Long Block - Focus ST

mountune High Performance 2.3L EcoBoost Stroker N1 Long Block - Focus ST

6063-LB-232

$7,919.10
$8,799.00 $7,919.10
Sale Sold out

Mountune's extensive knowledge of the Ford EcoBoost engines coupled with our comprehensive motorsport experience provides the foundation for our high-performance 2.3L EcoBoost Stroker Ford EcoBoost long block assembly for the Focus ST.

Each long block starts off as a brand new aluminum Ford Focus ST engine block then skillfully assembled with mountune Focus RS forged pistons, Focus RS forged h-beam connecting rods, tri-metal racing bearings, and a keyed OEM Focus RS crankshaft.

This engine is the perfect foundation for your Focus ST for high boost applications including track day use or as a direct replacement for your tired original engine.

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  • PARTS INTENDED FOR COMPETITION USE ONLY
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  • PROPOSITION 65 WARNING
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Additional Information:

Engine Specifications

  • Product Code: 6063-LB-232
  • Base Engine: 2.0L Ford Ecoboost
  • Cylinder Head: 2.0L Ford Ecoboost
  • Bore x Stroke: Ø 87.5 mm x 94 mm
  • Compression Ratio: 9.5:1
  • Piston: Upgraded Forged Piston
  • Connecting Rod: Mountune Forged H Beam Rod
  • Crankshaft: OEM Focus RS w/ 3mm Key
  • Main Bearing: Mountune Race Tri-Metal
  • Main Bolts: OEM High-Tensile Strength
  • Application: Focus ST 2013-2018

Included Components

Warranty Coverage

Mountune is confident in our products and services and we proudly stand behind our workmanship. Therefore, we offer a limited warranty against defects in workmanship or materials, covering both parts and labor, for a standard period of 1-Year/12,000-Miles.

For more information see, terms & conditions.

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