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- Tue May 02, 2017 7:22 pm
- Forum: Michael Bennett Performance LLC
- Topic: 15 yz250f GYTR head
- Replies: 4
- Views: 1409
This is a GYTR head I did for a 15 yz250f. Cnc porting was cleaned up and improved as well as the dome being reshaped and polished. Previously had a 270 kit and u4.4, it's now stock bore, stock cams, stock piston, and pump gas. Racer is happier now than he was with the big bore. My personal opinion ...