Exhaust & Emissions KPMI 80-80766

KPMI

80-80766

KPMI Exhaust Valve - Yamaha YZ450F 2010-2011 - Black Diamond - 80-80766

SKU: 191-14008

Exhaust & Emissions




KPMI Exhaust Valve - Yamaha YZ450F 2010-2011 - Black Diamond - 80-80766

Black Diamond valves feature one-piece stainless steel construction with stellite tips and special impregnation to improve wear properties and reduce friction

All valve guides are made of Ampco-45, a high-performance compound made up of 80 percent copper to provide great heat conductivity and 4-5 percent nickel for wear resistance

Spring sets contain springs and titanium upper collars; lower collars included where required; keepers not included

Valves and guides are sold each; spring kits come complete for one motor

Head Diameter - 30.0mm/Standard.

Stem Diameter - .2155 inch.

Overall Length - 3.385 inch.

Tulip Profile - 20 degree
2011 Yamaha YZ450F

2010 Yamaha YZ450F


Valve Stem Seals (Umbrella Style)
Ranger Package Aluminum Transit Extended F512
Mix me 4486