Dano’s Performance 2011-16 Suzuki GSXR 1000 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. Port intake and exhaust ports. Three angle valve seat machine process. Install new valve stem seals. Cylinder head will be complete and ready to bolt back on to your engine. This product is only available to U.