Mahle MS piston set for Ford Focus ST EcoBoost 2.0L is a four-piece set sized for an 88.00mm bore with an 83.1mm stroke and a 155.87mm connecting rod. Listed specs include a 22.5mm wrist pin, -7.0cc volume change, approximately 383g weight per piston and a 9.4:1 compression ratio. These pistons are supplied as a matched set for the specified EcoBoost application.
Mahle MS Piston Set Ford Focus ST Ecoboost 2.0L 88mm Bore 83mm Stroke 156mm Rod -7cc 9.4 CR Set of 4