These state-of-the-art heads have replaceable combustion chambers for easy tuning, or custom order for your application altitude, port timing, and fuel, etc. Up to 70% better cooling, increased reliability and CAD assisted designed combustion chambers insure maximum performance. ATV Galaxy is an authorized Pro Design dealer located in Irvine California.Listing and template services provided by inkFrog. The item "Pro Design Cool Head and Billet 19cc 19 cc Domes Kit Yamaha Banshee 350" is in sale since Wednesday, January 28, 2015. This item is in the category "eBay Motors\Parts & Accessories\ATV, Side-by-Side & UTV Parts & Accessories\Engines & Components". The seller is "atvgalaxy" and is located in Irvine, California. This item can be shipped worldwide.