EDR R9 MT09 XSR900 Heavy Duty Cylinder head stud kit Yamaha

EDR Performance head stud bolt kit for new 2025 Yamaha R9 Plus: 2014+ MT-09, FZ-09,XSR900, FJ-09 & Tracer 900  The EDR HD Cylinder head stud kits are used by hundreds of racers and motorcycle teams around the world, nearly ALL Moto America top R7 Twins cup bikes! Top teams like Yoshimura USA, Giacchetto Racing and many others depend on EDR Performance developed HD Cylinder Head Stud Kits. We have several being used around the world in multiple championships!  The studs are heat-treated 8740 chrome-moly, centerless ground, and have J-formed rolled threads after heat treat for maximum strength. This kit is very high strength and can greatly help to prevent engine damage, reduce head gasket failures and ensure maximum performance from your engine! The kit comes complete with studs, bolts, washers and nuts as needed. Also included are detailed instructions along with our recommended thread lubricant as needed.  Installation is as easy as the OEM fasteners. Unlike the OEM Bolts,