Recently I came across a single 45 DCOE manifold for my Volvo 142 B20 but there is little information out there on this. It's longer than the the normal offerings for the B20 engine and is made by Ronwill Speedshop AB. Does anyone have any knowledge of these particular manifolds? I tried to message them on Facebook but no response so not sure they are still in business or how long ago they made these type manifolds?
