Kawasaki KX327 Phathead cylinder head kit KX327X Color:Titanium AY22 - 22cc Same as

AY22 - 22cc  Same as Athena OE

KTM300SX KTM300XC KTM300 2008-2016 Phathead cylinder head kit

slightly less with the 80cc motor

YZ295 - 24

or 2023/2024 with big bore kit

Kawasaki KX327 Phathead cylinder head kit KX327X Color:Titanium AY22 - 22cc Same asPreorder, Heads will ship when complete. We anticipate all colors available by mid summer or sooner. Insert selection TBD 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 billet aluminum. The material is stronger and transfers heat better than cast aluminum. The two