Drifting is a driving technique where the driver tries to keep his car in a sloping position and glide for as long as possible. Factors that must be fulfilled so that it can happen that is the ability of the driver and the vehicle is capable and has a torque and great power. Overhoul engine aims to examine the entire components inside the machine to know which components to replace and which ones to fix. After knowing the internal conditions of the machine components that must be replaced is full gaskets, connecting road bearing, camshaft bearings, piston rings because it does not meet specifications, and high risk of damage to the machine. The repaired components are crankshaft and cylinder head. To raise the power of the engine made several modifications to the Mitsubishi 4G33 engine including camshaft modifications, leveling cylinder head, ignition, and muffler. After the tuning engine Mitsubishi 4G33 has 38.6 Nm of torque and 30.3 hp on whell power.