Honda CR125 2005-2007 Phathead cylinder head kit Color:Blue Search compression release button for

Search compression release button for replacement Kibblewhite button

Buy a size larger than usual to avoid shrink issues

6cc (100+ octane)

4cc  (100+ octane)

Honda CR125 2005-2007 Phathead cylinder head kit Color:Blue Search compression release button forHonda CR125 Phathead cylinder head kit 2005 2007 Chamber selection: K10 Stock K11 9. 2cc (95+ octane) K12 8. 5cc (100+ 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 than cast aluminum.