KTM150SX 2023-2025 Phathead cylinder head kit GasGas Husqvarna TC150 Color:Black K51 - 42cc Stock compression

K51 -  42cc Stock compression                                                                                            K52 -  40

1cc (100+ octane)

CRF100 CRF150

TTR50 2006-present

0cc (100+ octane)F14 - 5

KTM150SX 2023-2025 Phathead cylinder head kit GasGas Husqvarna TC150 Color:Black K51 - 42cc Stock compressionKTM 150SX Phathead cylinder head kit 2025 GasGas Husqvarna TC150 or 2023 2024 with big bore kit Chamber selection: SX150 11cc Stock SX151 10. 5cc (95+ octane) SX152 10cc (100+ 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