CDHPOWER New Performance Head for 2 Stroke Engine Kit 66cc80cc

Higher performance Casting head for 2 stroke 80cc/66cc; Clean off all the casting sand and sand the gasket surface, Fully casting made; Alum Design,Not for 48cc/50cc, The casting 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, Compatible with spark plugs as folllowing(check the fourth picture):Accel0453,AC Delco-R44F,Autolite 4123/425/275/4093/XS4093,Beru-14R-7BU,Bosch-WR6BC+/WR7BC NGK-B6HS/B7HS/BP7HS/BPR6H etc, Height Max:51mm-52mm; Width from 115mm to 123.5mm; Any questions,please contact us firstly !we can help you solve the problem until you are satisfied.