22mm Wet clutch 2:1 reduction GX270 GX390 8HP-13HP Gokart Engine
Used Gearbox. Was fitted to go cart changed setup for higher top speed system and no longer needed. This has good low down power but top speed is about 70kmh Will not fit 1 inch crank (25.4mm) Only fits metric 25mm type Has heat fins riveted on it with thermal paste for cooling. Info is Copy and paste from original place purchased from These replacement clutch boxes come as complete units and are ready to be fitted to your engine. Fits the Honda GX240 - GX390 range and most Chinese 9hp to 1