KTM125SX 2016-2022 Phathead cylinder head kit GasGas Husqvarna TC125 Chamber selection:T128 8.1cc (105+ octane) YFM225 Moto-4 YFM350ER Moto-4 YFM350FW

YFM225 Moto-4 YFM350ER Moto-4 YFM350FW Big Bear 4x4 YFP350 TerraPro 1987

Y30 - stock

4cc  StockY02 - 6

YZ296 - 72mm 100+octane 23cc

KTM125SX 2016-2022 Phathead cylinder head kit GasGas Husqvarna TC125 Chamber selection:T128 8.1cc (105+ octane) YFM225 Moto-4 YFM350ER Moto-4 YFM350FWKTM125SX Phathead cylinder head kit 2016 2022 GasGas Husqvarna TC125 12* chamber requires special piston Chamber selection: T125 9. 4cc Stock T126 8. 9cc (95+ octane) T127 8. 5cc (100+ octane) T128 8. 1cc (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