Cost the same for a new mast/boom instead of all this work?
bring 3 halyards internal, 1 stays external, new sheaves
new standing rigging hardware, toggles, hardware, bolts, etc.
spreader hardware inspection/replacement, new boots
Masthead
cut top off, install one with fasteners not welded
VHF antenna with cable run
Airmar weatherstation PB200 with cable run
LED lighting installed into masthead tri-color/anchor assembly
Aqua Marine steaming light installed, gutted with LED lighting