10mm thick 6082 T6 Aluminium CNC Waterjet cut inlet manifold flange to suit the Mazda MX5 1.8 engine. This profile is to suit the earlier mk1 type 1.8 engine. Please see our other items for the later version. Please check carefully which engine/profile you require prior to ordering. Port dimensions are 51 X 30mm.
Ideal for anyone wishing to weld their own inlet manifold.