Koso 4V Head Kit w/ 170cc Big Bore Kit NEWSOLD
New in sealed unopened boxes Koso 4v Head 170cc Big Bore Kit. Also included is the Morin Oil cooler which is also new unused. Oil cooler has on end with the anodizing partially removed. I started to remove it and never finished.
Morin Oil Cooler sells for $125
Koso Big Bore kit sells f...