Top End

Precision-machined from C630Compatible with no-lead fuel and accept any type of valve-stem materialProvide maximum service with chromed valve stemsFeature a tapered nose design for maximum bearing service and minimal port obstruction; improves flow...

Vesrah valves are precision manufactured from top-quality materials to match OEM valves Kawasaki -- KVF 650 Brute Force 4x4 -- (2010, 2009, 2007, 2006, 2005, 2008); Kawasaki -- KVF 650 Prairie 4x4 -- (2002, 2003); Kawasaki -- KVF 750 Brute Force 4x4i --...

Order one per cylinder Yamaha -- YFM 660 FA Grizzly 4x4 -- (2006, 2005); Yamaha -- Raptor 660R LE 4x2 -- (2004); Yamaha -- Raptor 660R SE 4x2 -- (2005, 2001, 2003, 2002, 2004); Yamaha -- Grizzly 660 SE 4x4 -- (2006); Yamaha -- Grizzly 660 Hunter Ed. 4x4...

Order one per cylinder Yamaha -- SRT 1000 SR230 -- (2005, 2003, 2004); Yamaha -- SX230 1000 SRT -- (2005, 2004, 2006); Yamaha -- FX 1000 A WaveRunner 140 Cruiser -- (2007, 2003, 2008, 2004, 2005, 2006); Yamaha -- SRT 1000B AR230 w/998 x 2 -- (2004, 2005,...

Order one per cylinder Yamaha -- Grizzly 660 Outdoorsman Ed. 4x4 -- (2006); Yamaha -- Grizzly 660 Ducks Unlimited Ed. 4x4 -- (2006); Yamaha -- Raptor 660R SE 4x2 -- (2002, 2004, 2005, 2001, 2003); Yamaha -- Grizzly 660 SE 4x4 -- (2006); Yamaha -- Grizzly...

Black Diamond? valves are CNC machined from one-piece forgings of EV8 Stainless SteelBlack Diamond? proprietary multi-stage process reduces friction, and provides superior resistance to corrosion and wearMade in the U.S.A. Suzuki -- GSX 1300 R Hayabusa...

Black Diamond? valves are CNC machined from one-piece forgings of EV8 Stainless SteelBlack Diamond? proprietary multi-stage process reduces friction, and provides superior resistance to corrosion and wearMade in the U.S.A. Suzuki -- GSX 1300 R Hayabusa...

Precision-machined from C630Compatible with no-lead fuel and accept any type of valve-stem materialProvide maximum service with chromed valve stemsFeature a tapered nose design for maximum bearing service and minimal port obstruction; improves flow...

All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistanceMade in the U.S.A. Polaris -- RZR 800 4x4 -- (2008)

Precision-machined from C630Compatible with no-lead fuel and accept any type of valve-stem materialProvide maximum service with chromed valve stemsFeature a tapered nose design for maximum bearing service and minimal port obstruction; improves flow...

All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistanceMade in the U.S.A. Polaris -- RZR 800 4x4 -- (2008)

All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistanceMade in the U.S.A. Polaris -- Predator 500 4x2 -- (2003, 2005, 2006, 2004, 2007);...