MCYRA has an inventory of spars for sale:

In Northern California contact:
  
In Southern California contact:

Whisker Poles (10' aluminum, 1.25" OD) $40.00.  Contact:
  

Harken Suggested Harware Layout

Doyle Sails:
Alameda 510-523-9411

Ullman Sails:
Newport Beach 714-432-1860
Santa Cruz 831-454-0868

Elliot-Pattison Sailmakers:
Gardenerville, NV 949-645-6697

Quantum Sails:
Long Beach 562-799-7444
Point Richmond  510-234-4334