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MP does not have a low deck version of the 337.

The 337 would would Stage VI heads on a low deck block but you would have to fabricate some spacers for the ends of the valley area.

The 337 is the intake to use if you're running original type Max Wedge heads on an RB block. It works perfect in that application by sealing off the valley area. It can also be used with Indy heads and Victor heads but you end up with end gaps that need to be sealed somehow.



I'm thinking this might be a good intake for the 440 Source heads w/MW openings.



Exactly. It is the only thing that would fit 440Source heads that have been ported to MW openings that won't look like a clogged up mess. We just had an engine on the dyno the other day with original MW heads, an Indy intake and a homebuilt valley pan. As soon as the motor started to make some power the oil started to spray out of the pos valley tray. I think I talked that guy into buying a 337 intake so his race car wouldn't be dripping oil after every pass.