Aussiespeed Holden V8 253, 308 high rise tunnel ram intake manifold includes a 2×2 dual 2 barrel manifold top.
The AussieSpeed Holden V8 tunnel ram manifold suits red, black & blue motor cylinder heads some extra drilling will be required to suit the 3 different styles of Holden 253 & 308 red, black & blue motor cylinder heads. The centre valley cover holes are part drilled.
This AussieSpeed Holden V8 Tunnel Ram manifold includes 1 interchangeable top.THE TUNNEL RAM BASE IS 150mm high from the top to the bottom of the manifold sitting flat on a bench plus the top.
1×4 barrel AS0061
2×2 barrel AS0063
2×4 barrel AS0062