Kawasaki KX65 Phathead cylinder head kit 2000-2024 Color:Brown 3cc (95+ octane)

3cc (95+ octane)

Honda CR250 Phathead cylinder head kit 1986-1991

YZ85 2022 - present

Stock (91+ octane)

4cc (95+ octane)

Kawasaki KX65 Phathead cylinder head kit 2000-2024 Color:Brown 3cc (95+ octane)Kawasaki KX65 Phathead cylinder head kit 2000 2022 Chamber selection: K31 5. 3cc Stock compression K32 4. 9cc (100+ octane) K33 4. 4cc (105+ octane) 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