Honda CR500 1985-2001 Phathead cylinder head GASGAS KTM 150SX Phathead cylinder head

KTM 150SX Phathead cylinder head kit 2025 GasGas Husqvarna TC150

KTM300Xc-W 2025+ Husqvarna TE 300 TBI Phathead cylinder head kit

2cc (100+ octane)

6cc chamber

Honda CR500 1985-2001 Phathead cylinder head GASGAS KTM 150SX Phathead cylinder headHonda CR500 Phathead cylinder head kit 1985 2001 This model does not have the compression release Chamber selection: HN50 66. 5cc Stock compression HN51 64. 4cc (95+ octane) HN52 62. 5cc (100+ octane) HN53 60. 8cc (110+ 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