This listing is for a complete valve job including a full set of new viton valve seals for 2-valve twins. This service involves disassembly, cleaning and inspection of all components. Ports and chambers bead blasted. 3 angle valve seat machining in Serdi equipment. Valve faces and tips ground and stems polished. All valve seats vacuum tested to ensure a good seal. Final assembly with new viton valve seals. Performance upgrades available!

Once this service is purchased simply ship your head to our shop and it will be completed and sent back within one week. We offer complete cylinder head machine services and custom valve train components specializing in vintage Japanese applications. Thanks for looking!