120R Cylinder Heads w/Comp. Release CNC Ported 17015-11 17016-11. The intake and exhaust ports are meticulously machined to smooth the surfaces enhancing the flow characteristics of air and fuel to provide enhanced performance. But it doesnt stop there oversized (1.875) stainless steel intake valves and stock (1.575) stainless steel exhaust valves rest in reshaped valve seats that improve flow rates. Like all used parts, item will show signs of typical wear and scratches. Parts are used and may have some scratches/chips/rust and require some cleaning and touch up. Please understand that parts are USED and have been removed from a junk or wrecked bike, Parts listed were removed from make…