Engine › INTAKE VALVE SEAT POWD METAL 54.1MM EVO BIG TWIN 84-99/XL INTAKE VALVE SEAT POWD METAL 54.1MM EVO BIG TWIN 84-99/XL $0.00 Sold Out Kibblewhite's proprietary seat material is compatible with leaded and unleaded fuels including methanol and ethanol fuel blends.This material offers excellent thermal characteristics and resists microwelding that leads to seat and valve face recession.Leading edge has generous radius to ease installation. Sold Out Added! Kibblewhite's proprietary seat material is compatible with leaded and unleaded fuels including methanol and ethanol fuel blends.This material offers excellent thermal characteristics and resists microwelding that leads to seat and valve face recession.Leading edge has generous radius to ease installation.
