Cobra CX65 replacement combustion chambers - fits Phathead or Original head CX65 Athena144 9
Description
Athena144 9
YFM350ER Moto-4 YFM350FW Big Bear 4x4 YFZ350 Banshee 1989
Athena 58mm 144cc 2005-2021
5cc High compression 100+ octane reccomended
YZ295 - 72mm 91+ octane 23
Cobra CX65 replacement combustion chambers - fits Phathead or Original head CX65 Athena144 9Our cobra CX65 inserts are made in house to fit our Billet high flow Phathead shell or the OE cast cylinder head shell. CX 65 stock compression CX66 (100+ octane) CX67 (105+ octane)
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]
- Please click here for more details>>> Return & Exchange Policy
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