This is a good used cylinder ported with plus 1 valves. You must have a RP bolt on throttle body to use this head as the head is machined off and the intake boot will no longer go on. This head was on Pro atv mx bike nick gennusa was just checked out and is ready to bolt on is ported by Williams Performance out of FL for TDR and has plus 1 valves already installed. The item “Yamaha YFZ450R Cylinder Head with Plus 1 Valves Complete, 2009-2021 YFZR Ported” is in sale since Friday, July 9, 2021. This item is in the category “eBay Motors\Parts & Accessories\ATV, Side-by-Side & UTV Parts & Accessories\Engines & Components”. The seller is “bnrmotorsports” and is located in North Lima, Ohio. This item can be shipped worldwide.

• Manufacturer Part Number: 1TD
• Brand: Yamaha