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Ships within 48 hours · Estimated delivery Sep 12 - Sep 17
We will do your best
includes the two O rings
ECU remap required for best performance - message or call for details
Chamber selection:
Yamaha YZ125 Phathead cylinder head kit 1994-2000 YZ125 We will do your bestYamaha YZ125 Phathead cylinder head kit 1994 2000 Chamber selection: Y11 10. 0cc Stock Y12 9. 3cc (95+ octane) Y13 8. 8cc (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
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