KAD 6mm Titanium Valve Spring Top Caps are CNC machined from aviation grade titanium. They are also Plasma Nitrided to provide further strength and durability.
These top caps weigh in at a meer 10g each!
They are an absolute must for anyone who is building an ultimate performance A-Series engine.
NOTE: These top caps are designed to work with our 6mm Stem Race Valves and Lash Caps.