Top End

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. Yamaha -- WR 250 F -- (2015,...

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. Yamaha -- YZ 250 FX -- (2018,...

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. Yamaha -- YZ 450 F -- (2016,...

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. Yamaha -- YZ 450 F -- (2012, 2013, 2010, 2011, 2015, 2016, 2018,...

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. Yamaha -- WR 450 F -- (2017, 2018, 2019, 2016, 2020, 2021, 2022);...

Kibblewhite Valve Seal - 4.5Mm - Viton 80-80710 Yamaha -- YZ 450 F -- (2005, 2006, 2010, 2009, 2012, 2015, 2008, 2007, 2011, 2013, 2017, 2004, 2003, 2014, 2016); Yamaha -- WR 450 F -- (2007, 2009, 2004, 2003, 2005, 2006, 2008)

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. Yamaha -- YZF-R1 -- (2005,...

Keepers are made from high tensile strength steel Yamaha -- YZF-R1 -- (2005, 2004, 2006)

Designed to out-perform and outlast the factory valve springsKit features lightweight, high-strength CrSi valve springs,H.T. steel base washers and titanium spring retainersComplete kit, everything you need to for a complete valve spring swap Yamaha --...

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. Yamaha -- Raptor 700R 4x2 --...

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. Yamaha -- Raptor 700R 4x2 --...

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. Yamaha -- Raptor 700R 4x2 --...