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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 USA

mountune High Performance 1.6L Fiesta ST Short Block

mountune High Performance 1.6L Fiesta ST Short Block

SKU: 6064-SB-160

$2,698.99
$2,999.00 $2,698.99
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 1.6L Ford EcoBoost short block assembly.

Each short block starts off as a brand new aluminum Ford Fiesta ST open deck engine block which can be strengthened with the Cylinder Support System before being skillfully assembled with mountune forged pistons, forged h-beam connecting rods, and tri-metal racing bearings.

This engine is the perfect foundation for your Fiesta 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: 6064-SB-160
  • Base Engine: 1.6L Ford Ecoboost
  • Bore x Stroke: Φ 79mm x 81.4 mm
  • Compression Ratio: 10.1:1
  • Piston: Upgraded Forged Piston
  • Connecting Rod: Mountune Forged H Beam Rod
  • Crankshaft: 81.4mm Fiesta ST
  • Main Bearing: Mountune Race Tri-Metal
  • Main Bolts: OEM High-Tensile Strength
  • Application: Fiesta ST 2014-2019

Cylinder Support System

The Cylinder Support System is a proven method of strengthening open deck engine blocks while maintaining OEM integrity. The support ring is made from aircraft grade 6061-T6 aluminum. It prevents cylinder cracking, walking, and bell mouthing.

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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