if ori brand new, is way too expensive
try find at online marketplaces, ive seen them go for about rm3xx and above
4 air horn? u must be referring to weber dcoe / mikuni phh / dellorto...twin carbs can be had for about rm800 to rm1k plus and above depending on the condition...
i myself am letting go of a pair of great condition mikuni phh 40, linkage gotta fabricate at ur mech, wont be a problem
do pm if ur interested, hehe