MANIFOLD TWIN INLET HS4/6


cast alloy type,Fits either twin HS4 or HS6 This intake manifold for twin SUs (HS4 or HS6) has been carefully produced to minimize cross-port-flow interference caused by the balance tube and has generous radii in all the right places. Further blending can be done if required, but leave a ground finish to promote fuel atomization. Do NOT polish!

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