Kibblewhite Black Diamond Engine Intake Valve

• High-performance valves and valve guides
• Replacement valve guides are machined from solid Ampco-45 bar stock
• Replacement valves are one piece stainless steel, swirl polished and heat treated with Black Diamond process
• Stem Dia. - .1567"
• Overall Length - 3.150"
• Tulip - 25 degree

Note: requires spring kit 18-2389