Collection: Fiesta ST Engine Upgrades

At mountune, our in-house engine builders are some of the most experienced and knowledgeable in the industry. They take pride in their craft and are committed to delivering engines that meet our exacting standards for performance and reliability. Every long block engine undergoes a rigorous process of deburring, clearancing, and inspection, ensuring that each component is precisely machined and fitted to motorsport tolerances.

When you choose a mountune racing engine, you're not just getting a high-performance engine. You're getting the benefit of our decades of experience and expertise, as well as our commitment to excellence in every aspect of engine building.

Fiesta ST - Mountune 1.6L EcoBoost Engines

HP Short Block

SKU: 6064-SB-160

N1 Long Block

SKU: 6064-LB-160S1

MRX Long Block

SKU: 6064-LB-160S2

Engine Block Factory New Ford OEM Aluminum 1.6L EcoBoost Engine Block
Cylinder Support System Available Included
Pistons Lightweight 79 mm Bore 10:1 Compression Ratio Forged Pistons w/ Nitrided Rings
Connecting Rods High-Tensile Strength Forged 4340 Alloy Steel H-Beam Rods w/ ARP 2000 Bolts
Crankshaft Dynamically Balanced Ford OEM Fiesta ST Forged 4340 Steel 81.4 mm Stroke Crankshaft w/ Lightweight Counter Balanced Option Available
Oil System Not Included Mountune Baffled Oil Control Sump
Fasteners Not Included Premium Grade 8740 Alloy High-Performance Cylinder Head Studs w/ Black Oxide Finish
Cylinder Head Not Included Ford OEM 1.6L Ecoboost DOHC w/ Variable Camshaft Timing Aluminum Cylinder Head Mountune MRX Cylinder Head w/ Motorsport-Grade Valves and V2 Camshafts



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