Product Review

ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. Manufactured by the leading OEM factories in Japan and are a direct and cost-efficient OEM replacement. ProX steel valves can be used in combination with all the OEM valve train components like valve springs, guides, bases and retainers. Fits: Yamaha YFM 660 R Raptor 2001-2005, YFM 660 F Grizzly 2002-2008, YXR 660 Rhino 2004-2007. Specs: Location: Exhaust; Material: Steel; Number of Valves Included: 1; Head Dia: 32.00mm; Length: 92.70mm; Stem Dia: 6.00mm.