BLACK DIAMOND ENGINE VALVE KIT : OPTIUNE - STANDARD
Brand: KIBBLEWHITE
All valves are fortified by a special process to a depth of .002” with a surface buildup of .0002”This process improves wear properties, reduces friction and provides resistance to corrosion and wearCompatible with leaded and unleaded fuelsMade in the USA
https://shopping.truda.io/product/black-diamond-engine-valve-kit-optiune-standard
All valves are fortified by a special process to a depth of .002” with a surface buildup of .0002”This process improves wear properties, reduces frict