KTM300SX KTM300XC 300TPI 2017-2022 Phathead cylinder head kit GasGas Husqvarna TC300 MC300 Chamber selection:T340 26.2cc +2 CX50 stock compression

CX50 stock compression

Our chambers are cut for the 85cc bore but work just fine with the 80cc bore as well

WR250 YFB250 Timberwolf 2x4 YFM350ER Moto-4 YFM350FW Big Bear 4x4 YFM350X Warrior YFM400F Kodiak 4x4 YFS200 Blaster YFZ350 Banshee 1994

Athena YZ125 58mm 144cc big bore compatible

2cc (95+ octane)W23 - 19

KTM300SX KTM300XC 300TPI 2017-2022 Phathead cylinder head kit GasGas Husqvarna TC300 MC300 Chamber selection:T340 26.2cc +2 CX50 stock compressionKTM300SX KTM300XC 300TPI 2017 2022 Phathead cylinder head kit GasGas Husqvarna TC300 MC300 These heads are TPI compatible. Chamber selection: T320 28. 5cc stock T330 27. 4cc +1 T340 26. 2cc +2 T350 25cc +3 Phathead Kits include a head shell with one combustion chamber, two sets of o rings, cylinder and some stickers for your bike and tool box and installation instructions.. Phathead cylinder heads are made of 6061 T6 billet aluminum. The material is