R18A1

Engine Type: I4
Displacement: 1.8 Liters
Compression Ratio: 10.5:1
Redline: 7,200 RPM
Bore/Stroke: 81mm/87.3mm
Max Power @ RPM: 138 HP @ 6,300 RPM
Max Torque @ RPM: 128 lb-ft @ 4,300 RPM
Valvetrain Type: VTEC