The Supertech 6mm valve lock with a 6-degree taper is supplied where two are required per valve. It replaces standard locks in Nissan valve-train applications that use 6mm stems and ensures proper keeper seating. Sold per item; order two per valve. Calculate total quantity by valve count; two locks are required per valve.
Supertech Nissan 6mm 6 Degree Valve Lock (Req 2 Per Valve)