6mm stem diameter, 6° billet performance valve stem keepers or locks are designed to fit BC and OEM retainers. Precision machined from premium billet bar stock chromoly steel and heat treated for maximum strength to insure against shoulder shearing (common with stock and lesser quality brands)

Features:

• 6° Billet Keepers / Locks
• designed to fit BC and OEM retainers
• premium billet bar stock chromoly steel
• heat treated for maximum strength
• set of 48

Fitment:

• Nissan RB26DETT