CNC Racing Head (Square Type/Black) for 66cc/80cc

Higher performance Racing head for 2 stroke kit 80cc/66cc; 
Fully machine made; Alum Design; 
The racing cylinder head increases the horse power of your 80cc / 66cc 2-Stroke Bicycle Engine and this greatly cools off the engine. 
Would result better performance and longer life for your 2 Stroke Bicycle Engine.