Was looking for a Saito 40a RC carb to replace a CL carb on one of my engines and discovered finding Saito parts on the Horizon site is hit and miss. I folowed the directions, find the engine then click parts and accessories, worked great cept the parts I needed were not listed. Later discovered doing this doesn't list everything Horizon might have for a particular engine.
Wondering around Google I found a site that lists all Saito engine parts, used this site to find the part number then ran the part number through Google. Surprise surprise, Google found the part on Horizon even though it wasn't on the list of parts for the Saito 40. If you need Saito parts, might want to look up the part number here
http://www.macgregor.co.uk/saito/spares.htm then put the number in Google.
Probably need to explain why I wanted the RC Carb.. To make my modification to the CL carb I can't use the Saito needle so have been using an OS needle. The OS needle simply isn't as good as the Saito, you can wiggle it and the RPM will change. A complete Saito 40 RC carb is almost $40.00 and is Back ordered from Horizon, however they do have the carb body which has everything I need except the needle itself for $20.00, Add the needle and we end up with everything I use for the mod to the 40 carb.
Between the above site, Google and Horizon I was able to order what I needed.
http://www.horizonhobby.com/products/carb-body-assembly-fa40a-fa40ag-SAI40A831http://www.horizonhobby.com/products/high-speed-needle-valve-fa40a-fa40agk-SAI40A85