If you want a different option, I have a complete stock manifold with sensors for $50 in qld

I've got a few spare stock plenum s and intake manifolds for a ca if your interested.

like this one ?

sounds like you have it worked out :) Would love to do a custom port job on my head. Big valve/cams Max sized 8 ports, injector per port and single runners. +50 psi hahah

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Hi guys i dont have the original plenum or manifold,the motor didnt have it when i bought it.I have talked to Ariel and for $400 he will port the head to match the plenum.

if your aiming below 400hp i would keep the stock manifold. money would be better spent on ecu or cams

if they don't match properly you'll be going backwards in terms of flow.

Yes, if the 4 tubes are oval and cover the 2 ports.

Hi guys im looking at getting a custom plenum made by Arial from custom plenum creations in wollongong.I have noticed that my head has 8 ports(obviously),but the plenum only has 4 tubes(if u know what i mean).Will these 4 tubes cater for 2 ports per tube?