Kawasaki KX100 Suzuki RM100 Phathead cylinder head kit for HotRods stroker crank 1991-2021 Color:Red KTM50SX 2009-2023 Husqvarna TC50 GasGas

KTM50SX 2009-2023  Husqvarna TC50  GasGas MC50  Phathead cylinder head kit

or 2023/2024 with big bore kit

Phathead Kits include a head shell with one combustion chamber

Use the Athena Big Bore Gasket

HF22  - 16

Kawasaki KX100 Suzuki RM100 Phathead cylinder head kit for HotRods stroker crank 1991-2021 Color:Red KTM50SX 2009-2023 Husqvarna TC50 GasGasKawasaki KX100 Phathead cylinder head kit for Hotrods stroker crankshaft 1991 2021 Our head kit is cut to be a direct bolt on fit to the stock KX100 cylinder with the HotRods +4mm Stroker Crankshaft part numbers from HotRods are 4166(2006 2021) and 4116 (1991 2005). We do not suggest using the HotRods 4519 crankshaft with the nylon inserts. We also suggest the dual ring piston for the 2014+ KX100 +2mm 9. 6cc chamber Phathead Kits include a head shell