Honda CR500 Phathead Combustion chambers YZ250 Improved flow
Description
Improved flow
CR500 models 1999 and older
and red will restock mid 2023
CRF50 XR50
Honda CR500 Phathead Combustion chambers YZ250 Improved flowChamber selection: HN50 66. 4 Stock compressionHN51 64. 4cc (95+ octane)HN52 62. 5cc (100+ octane)HN53 60. 8cc (110+ 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
![Gecko Maelstrom Impeller [3.0 HP/2.0 HP, UL/CE] (0800-500002) deltauv](https://cdn.shopify.com/s/files/1/1751/9347/files/35-402-1702_XL.jpg?v=1777517667)


![A & A G2 Retro Cleaning Head Internal w/Var Flow Orifices [Dk Gry] (236683) audio](https://cdn.shopify.com/s/files/1/1751/9347/files/87-106-3182_XL.jpg?v=1777517671)
![Gecko in.k500 Overlay [7 Btn, Settings, Lt, Mode, P1, P2, Up, Down] (9916-101495) topsides](https://cdn.shopify.com/s/files/1/1751/9347/files/58-337-1928_XL.jpg?v=1777517656)



















