DESCRIPTION

Manx Crankcases, machined into cast Magnesium using the original Patternwork, drawings and production schedules on our state of the art 5 axis CNC machining centres. Chromate black finish. No Bearings etc fitted, only plugs and dowels.

These are Standard Short Stroke Crankcases for engines from 1954-1963, 500cc 86mm bore and 350cc 76mm bore. 

For different bore sizes, 79.62mm, 81mm, 90mm or 95mm bore, different oiling system, cases with more clearance for original cranks, or stronger for racing, contact us directly.