ARP camshaft bolt for 4.6L, 5.4L and 5.8L engines.
- Thread size M12x1.5
- 18mm socket size
- 200,000 psi tesile strength
NOTE: DOHC Engines will require 4 Bolts for Cams. SOHC Engines will require 2 Bolts for Cams. Fits DOHC with AFTERMARKET cams only, for DOHC Motors with stock cams use part# 256-1002.