Description & Size Guide
Black Diamond™ Engine ValveBlack Diamond™ valves are CNC machined from one-piece forgings of EV8 Stainless Steel Lightweight, strong, one piece forging with profiles that provide excellent flow characteristics Valve is infused by a special German process to a depth of .002, with a surface build up of .0002 which improves wear properties, reduces friction, and provides resistance to corrosion and wear that is superior to chrome and nickel electrolysis plating Each valve is designed using Finite Element Analysis (F.E.A) software, and profiles are tested on a computerized flow bench Stems are coated with black nitroneg Made in the USA Yamaha YFM 660 R LE 2003-2004 Yamaha YFM 660 R SE 2005 Yamaha XT 660 Z 2008 Yamaha XTZ 660 1991-1999 Yamaha YFM 660 F 4X4 2002-2004 Yamaha YFM 660 F LE 4X4 2004 Yamaha YFM 660 FA 4X4 2005-2006 Yamaha YFM 660 FA SE 4X4 2005-2006 Yamaha YFM 660 FAH 4X4 2005-2006 Yamaha YFM 660 FAHD 4X4 2006 Yamaha YFM 660 FAHW 4X4 2005 Yamaha YFM 660 FG 4X4 2007-2008 Yamaha YFM 660 FGH 4X4 2007-2008 Yamaha YFM 660 FH 4X4 2002-2004 Yamaha YFM 660 R 2001-2005
This item fits to following bikes.
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