Aussiespeed Chevy 250, 292 Chevrolet in line 6 cylinder 4 barrel intake manifold, this performance inlet manifold offers high velocity ports, divided centre plenum port allowing for even flow to all runners. the Aussiespeed Chev 6 inline manifold is available in to suit squarebore holley 4 barrel carbs the manifold is supplied to accept either forward facing or sideways mounting carburettors
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The Dual bolt pattern accepts Squarebore Holley Carburetors from 390 to 850 in both forwards and sideways mounting. The plenum floor is designed to catch fuel drop and re introduce it as air speed increases
The plenum has a divider placed in the plenum to lengthen the centre runner and reduce plenum volume .
No Adapter required for mounting the carburetor side ways as the intake manifold comes drilled for both positions
The taller plenum we have found offers optimum performance across a wide rev range. The plenum can be machined lower for hood clearance.
The manifold has one x 3/8 npt vacuum take off on the rear of the manifold for brake vacuum and auto transmission fitting.