Check the listing for details. CDHPOWER Racing Head (Square/Silver)-2 Stroke Bicyle Engine Kit 66cc/80cc Motor. Condition: New. Listed at 55.99 USD. Key Product Features CDH Racing Head (Square Type) Silver for 2 Stroke Engine 66cc/80cc - Gas Motorized BikeHEIGHT of Head FROM MOST BOTTOM TO THE MOST TOP; 52MM; Higher performance Racing head for 2 stroke kit 80cc/66ccCapacity: 6cc; Height Max:46.9mm; Width Max:126.6mmAnodized/Fully cnc machine made/Alum DesignThe 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.Not for 48cc/50cc 2 stroke cycle gas engine motor bike kit; This is how it looks like after installation on CDH80 motor kit.Deatil PicturesDeatil PicturesThanks for your trust and choosing CDHpowerCDHpower is registered officially in year 2012 and started business in year 2008. is the original,Reliable,Legal and Honest Company with USA Brand CDHpower supplying many merchandises such as 2 cycle and 4 cycle Bicycle Engine Kit,Spare Parts of gas engine kit including higher performance parts and CNC machined parts, CDH Gas Bike,CDH Bicycle,spare parts of bicycle and some products developed and being developed in China.CDHpower is the FIRST CHINESE company engaging in Volume producition on CDH GT gas bikes and CDH gas frame In China!CDHpower offers the best selection of gas motor kit, gas bike, gas frame ,bicycles, spare parts and many other products! You'll find an abundance of exciting options to choose, and our checkout process is quick, safe, and secured.Your order plcaed today, you'll get your item quickly in 1 to 2 Business Days. We will try our best to save cost for you and offer free or low-cost shipping on nearly every item. Thank you for visiting this listing, if you have any questions, please feel free to ask and we will do best to get back to you promptly!Products usually shipped on the second business day and you will receive message of tracking ID.CDHPOWER is registered officially in year 2012 and started business in year 2008, we can provide engine kits, high performance spare parts of engine, motorized bicycle and spare parts of bike.