EMS – Build Your Own (2.3L EcoBoost) Engine Kit
(Focus ST 2.3L Stroker Kit)
All the right parts. Just the way you want it.
Our EMS EcoBoost Engine Rebuild Kit brings together the same quality components we use in our in-house engine builds, giving customers the flexibility to select the parts that best suit their engine configuration and performance goals.
Each kit includes a carefully selected combination of proven performance components, including upgraded connecting rods, MAHLE pistons, KING bearings, OEM timing components, and EMS-spec CA625+ head studs. Customers can further customize their kit with additional upgrades based on their intended application.
Features
- Upgraded H-beam connecting rods
- MAHLE 9.5:1 performance pistons
- KING rod and main bearings
- Crankshaft friction washers
- OEM rear main seal
- EMS-spec CA625+ head studs
- EMS balance shaft delete kit
- OEM crankshaft bolt
- OEM timing kit
- OEM Focus RS or Focus ST head gasket
Available Upgrades
- Camshafts: Ford Performance or Kelford performance camshafts
- Connecting Rods: Boostline I-beam connecting rods
- Rear Main Seal: MAP billet rear main seal
- Crankshaft: Optional keyed crankshaft
- Spark Plugs: BRISK performance spark plugs
- Harmonic Damper: ROSS performance harmonic damper
With multiple configuration options available, customers can select the components needed for their specific engine build, whether preparing for a performance street application or a dedicated motorsport setup.
Engine Block Orders and Cancellation Policy
Customers purchasing an engine block with their rebuild kit should account for the required machining before assembly.
- Machining: Required for engine blocks purchased with this kit.
- Lead Time: Current estimated minimum lead time is 3 to 4 weeks.
- Cancellations: Orders canceled within 14 days are subject to a 20% cancellation fee.
- Final Sales: Engine block orders become noncancelable after 14 days.
Please review your selected components and engine configuration before placing an order to ensure compatibility with your intended application.
Available at Engineered Motorsport Solutions INC.
www.emsinc-tn.com | (423) 500-4901 | Sales@emsinc-tn.com











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