mountune High Performance 2.3L Stroker Focus ST Short Block

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