4 Branch Manifold. (Header)
Engine: B18-B20
Inner diameter of the primary tubes: 42mm
Secondary diameter of the secondary tubes: 48mm
the last bit is 2.5 "
Thickness of the flange: 10mm
Outlet is 2.5 "
Aluminiumised steel
Delivered black transport-coating
Notes: If you have a down draft 36/36 weber, you might to adapt the manifold and the intake you have so that it fits together
Amazon 1800 models the top wishbone on the RHS need some trimming to clear
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