quick view Add to Cart SPEED PERF6RMANC3 SP63 Keyed Crankshaft For Mazda MZR-DISI - Mazdaspeed 3/6 (1) MSRP: $941.27 $875.00 SP63 Keyed Crankshaft For Mazda MZR-DISI Mazdaspeed3/6 The Mazda MZR engine relys on 3 friction washers between the crank pulley and sprockets to help keep the motor in time. This works... Add to Cart Add to Wish List Add to My Wish List Create New Wish List