BUMP - Price Reduction or Make an Offer
(These units are selling new for over $2K - could be a good investment as a spare....make me an offer) https://sarasotaavionics.com/avionics/st-901-gpss

 I have this S-TEC ST901 Roll Steering Converter and GPSS/HDG Switch for sale following recent upgrade to a GI275 (GI275 has inbuilt GPSS)

These were interfaced to a STEC-30 Autopilot & 52D54 DG installed in a 35-C33 Deb. (12volts)

Pricing US$ (or AU$ equivalent at current US$/AU$ rate for Oz Beechtalkers)
US$400 or best offer for the Roll Steering Converter, &
US$100 or best offer for the GPSS/HDG Switch, or
US$450 or best offer for both.

Both GPSS Converter and Switch were working perfectly and come with Serviceable Certificates.

Pricing includes shipping to Australia or main US States. Delivery normally 2 weeks, with tracking.

ST901 GPSS Converter Part Number - 03976
GPSS/HDG Switch Part Number - 03975

Let me know if you have any questions.

Cheers, David