Honda CR250 2002-2004 Phathead cylinder head kit Color:Brown Athena YZ125 58mm 144cc big

Athena YZ125 58mm 144cc big bore compatible

Stock (91+ octane)

KTM85 2025+ Phathead cylinder head kit GasGas MC85 Husqvarna TC85 supermini

Sold as a kit with all required seals for the selected model

SX150  11cc Stock

Honda CR250 2002-2004 Phathead cylinder head kit Color:Brown Athena YZ125 58mm 144cc bigHonda CR250 Phathead cylinder head kit 2002 2004 Chamber selection: HF21 17. 4cc Stock compression HF22 16. 4cc (95+ octane) HF23 15. 5cc (100+ octane) HF24 14. 4cc (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