Athena 295cc 72mm Yamaha YZ250 YZ250X WR250 Phathead cylinder head kit 1999-2026 Color:Black CRF100 CRF150
Description
CRF100 CRF150
Kit includes required engine mounts
9cc (100+ octane)
Stock (91+ octane)
Athena 295cc 72mm Yamaha YZ250 YZ250X WR250 Phathead cylinder head kit 1999-2026 Color:Black CRF100 CRF150Athena 295cc 72mm YZ250 YZ250X WR250 Phathead cylinder head kit 1999 2026 Chamber selection: AY22 22cc Same as Athena OE AY21 21cc (95+ octane) AY20 20cc (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
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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