Originally Posted by
superbikerider1
Was gonna stay away from focus rs an st170 heads, but dont wanna buy a blacktop head to find it doesnt fit tho an then ave to buy another one! I always do things the long expensive way an thought someone on ere could point me in the right direction!
Thanks for your help!
Just buy a complete engine. The silvertop no doubt bolts near enough straiht in im assuming and the black top doesnt, and so depending on your power output the silver top may be fine. The black top is a better engine though!