Sale quick view Add to Cart SPEED PERF6RMANC3 SP63 Keyed Crankshaft For Ford Focus RS / Ecoboost Mustang 2.3L (1) MSRP: $916.00 $870.00 $770.00 SP63 Keyed Crankshaft For Ford Ecoboost 2.3L - Focus RS / Ecoboost Mustang The Ford Ecoboost engine relys on 2 friction washers between the crank pulley and sprocket to help keep the... Add to Cart Add to Wish List Add to My Wish List Create New Wish List