Increase cylinder head flow dramatically, use our street camshafts for even more power. Porting includes valve seats machining. You can ship your cylinder head to us, or we can provide it for a core charge of 200€. This service is only for OM613 / OM648 CDI head. Increase flow dramatically! Includes valve seats machining Use our street cams to make the biggest difference If you are sending us a shipment, shipping instructions can be found here: https://www.blacksmokeracing.com/shipping/
