Refurbished BBC Heads P/N 3919840 Date Codes F18-8 and I18-8.
Sand Blasted 2.25 Intake Valves
1.88 Exhaust Valves Street Valve Job
Hot Tanked New Steel Retainers
Surfaced New Locks
New Valve Seals New stainless steel intake and exhaust valves
New double valve springs Cut new valve guides for seals