March 1, 201312 yr comment_416575 There's also EFI hardware who make these stacks, 105mm long but can be shortened anywhere between 105-60mm. They have a full radius bellmouth and a tapered bore, starting at 79mm o.d. The bases are removable so you can shorten the stacks with no issues.These are their 40mm stacks to suit weber, dellorto, mikuni. Very well priced too. Link Throttle Bodies, EFI Fuel Pumps, EFI Regulators, Wolf 3D Engine Management Systems, EFI Hardware Nice link, thanks! Link to comment https://www.classiczcars.com/forums/topic/45820-help-maximum-carb-air-horn-length/?&page=2#findComment-416575 Share on other sites More sharing options...
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