Kawasaki KX100 Suzuki RM100 Phathead cylinder head kit for HotRods stroker crank 1991-2021 Color:Red or 2023/2024 with big bore

or 2023/2024 with big bore kit

Yamaha YZ85 Phathead cylinder head kit 2019-2026

order number and desired font type for fastest service

KTM150 TPI  Phathead cylinder head kit GasGas Husqvarna 150 Transfer port injection

Phathead Kits include a head shell with one combustion chamber

Kawasaki KX100 Suzuki RM100 Phathead cylinder head kit for HotRods stroker crank 1991-2021 Color:Red or 2023/2024 with big boreKawasaki 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