KOSO/SCK Racing Superhead Cylinder Head (25in/22ex) - Honda RS150R/Winner/Supra/GTR150/Sonic

High quality Koso/SCK racing big valve cylinder head kit for improved intake and exhaust air flow over the factory cylinder head. Recommended if you already have a big bore kit upgrade. This Superhead type cylinder head has special ported intake for even more airflow. Camshafts not included

  *Minimum piston size 62mm* 

Fitting:

Honda CBR150R (K45G)/CB150R (2016)

Honda CB125R (2021)

Honda RS150R/Winner/Supra/GTR150/Sonic (2016)