Kawasaki KX125 Phathead cylinder head kit 2001-2002 Color:Brown AY20 - 20cc (105+ octane)

AY20 - 20cc (105+ octane)

Suzuki RM250 Phathead cylinder head kit 2003-2009

Y20 - 22cc Stock compression for the X model

TTR110 08-present

Kawasaki KX125 Phathead cylinder head kit 1998-2000

Kawasaki KX125 Phathead cylinder head kit 2001-2002 Color:Brown AY20 - 20cc (105+ octane)Kawasaki KX125 Phathead cylinder head kit 2001 2002 Chamber selection: K11 9. 2cc Stock compression K12 8. 5cc (95+ octane) K13 8. 2cc (100+ octane) K14 7. 6cc (105+ octane) Kit includes the required engine mounts. Phathead Kits include a head shell with one combustion chamber, two sets of o rings, cylinder head nuts, copper washers, some stickers for your bike and tool box and installation instructions.. Phathead cylinder heads are made of 6061 T6