Dano's Performance 2015-21 Yamaha R1  R1M cylinder head porting service 

Our cylinder head porting will increase airflow in and out of the combustion chamber which will increase both torque and horsepower. We will take your cylinder head to the next level achieving maximum air flow through the intake and exhaust ports.

Our cylinder head porting service includes the following:

* Disassemble and reassemble cylinder head

* Inspect valves and valve train components

* Soda blast to remove carbon

* Match intake manifold to intake port

* Machine cylinder head base to raise compression ratio

* Port intake and exhaust ports

* Three angle valve seat machine process

* Install new valve stem seals

 All we need for you to send us is your complete cylinder head and when completed we will ship you back the complete package. The cylinder head will be complete and ready to bolt back on to your engine. This listing is just for the cylinder head porting and new valve stem seals.To purchase this package you can make your payment then ship us your complete cylinder head. Once we receive the cylinder head from you it typically takes 2-3 weeks for us to complete then ship your package to you ready to install.