Guitar Hero Repair/Replacement Parts Whammy Repair Base $9.95 Replacement Ribbon Cable $3.00 – $3.50 Fret Switches $7.00 Strum Bar Replacement Switch (2 Switches) $7.00 Screws, 2.3 x 8 mm (10 pcs) $4.50 Whammy Replacement Spring $1.25 Whammy Retention Clip $0.85 Neck Lock $5.00