The OS Max 120AX Pylon Special Engine is designed for pylon models and now it has up to 10% more power in the same displacement as the original 120AX!
Features:
Its crankshaft port timing has been modified to increase power at high rpm.
An included velocity stack on the carb adds acceleration at high rpm.
A 0.1 mm head gasket increases compression ratio for more power.
Note: The OS Max 120AX Pylon Special Engine is not supplied with a silencer because the standard silencer will not fully enclosed in the cowl of some models.