Heat sink that mounts to the top of cylinder provides extended engine life and is recommended for motors that are running high performance aftermarket components. Some engine shroud modifications will be necessary.

Fits GSR40 and GRR40TSi Gopeds. Aftermarket Performance Part. High Performance Part.

Cool Head for Zenoah G43L-D Engine.

Cool Head for the GSR 40 Go ped

Cool Head for the GSR 40 Trevor Simpson Interceptor Goped

Scooter Pro's Rock!
Cool Head GSR40 and GSR40TSi Zenoah Engines