Mountune Focus ST Engine Comparison Chart

Focus ST - Mountune 2.0L EcoBoost Engines

	Short Block SKU: 6063-SB-930	N1 Long Block SKU: 6063-LB-200	MRX Long Block SKU: 6063-LB-201
Engine Block	Factory New Ford OEM Aluminum 2.0L EcoBoost Closed Deck Engine Block
Pistons	Lightweight 87.5 mm Bore 9.3:1 Compression Ratio Forged Pistons w/ Nitrided Rings
Connecting Rods	High-Tensile Strength Forged 4340 Alloy Steel H-Beam Rods w/ ARP 2000 Bolts		High-Tensile Strength Forged 4340 Alloy Steel I-Beam Rods w/ ARP 2000 Bolts
Crankshaft	Dynamically Balanced and Keyed Ford OEM Focus ST Forged 4340 Steel 83.1 mm Stroke Crankshaft
Oil System	Not Included	Mountune Baffled Oil Control Sump and High-Pressure Oil Pump
Fasteners	Not Included	Premium Grade 8740 Alloy High-Performance Cylinder Head Studs w/ Black Oxide Finish
Cylinder Head	Not Included	Ford OEM 2.0L Ecoboost DOHC w/ Variable Camshaft Timing Aluminum Cylinder Head	Mountune MRX Focus ST Cylinder Head w/ Motorsport-Grade Valves and V2 Camshafts

Focus ST - Mountune 2.3L Stroker EcoBoost Engines

	Short Block SKU: 6063-SB-230	N1 Long Block SKU: 6063-LB-232	MRX Long Block SKU: 6063-LB-233
Engine Block	Factory New Ford OEM Aluminum 2.0L EcoBoost Closed Deck Engine Block
Pistons	Lightweight 87.5 mm Bore 9.5:1 Compression Ratio Focus RS Forged Pistons w/ Nitrided Rings
Connecting Rods	High-Tensile Strength Forged 4340 Alloy Steel Focus RS H-Beam Rods w/ ARP 2000 Bolts		High-Tensile Strength Forged 4340 Alloy Steel Focus RS I-Beam Rods w/ ARP 2000 Bolts
Crankshaft	Dynamically Balanced and Keyed Ford OEM Focus RS Forged 4340 Steel 94 mm Stroke Crankshaft
Oil System	Not Included	Mountune Baffled Oil Control Sump and High-Pressure Oil Pump
Fasteners	Not Included	Premium Grade 8740 Alloy High-Performance Cylinder Head Studs w/ Black Oxide Finish
Cylinder Head	Not Included	Ford OEM 2.0L Ecoboost DOHC w/ Variable Camshaft Timing Aluminum Cylinder Head	Mountune MRX Focus ST Cylinder Head w/ Motorsport-Grade Valves and V2 Camshafts