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Considering the INDY 440 EZ - seem to be the only head of theirs with stock intake and exhaust locations and sizes. Couple either one with a little CNC cleanup of the chamber and you’re in for some good heads that just got better. Indy 440-1 with max wedge ported 365cc intake runners. Thinking about putting those to better use and getting a better set of heads instead. If a Max Wedge port is required, then they’ll remove the intake port lip entirely. This unique design allows for customers that want to use a standard port intake manifold,” says the Tech Center.Īs part of their Super Prep or CNC Super Prep packages, Hughes fills the roof of the port to smooth the transition for those that want to maximize flow while keeping a standard port size. Aluminum transfers heat away from hot spot areas quicker. This is where the advantage of having aluminum heads over the factory cast iron heads is noticeably different.
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They will accept either the standard 440 port manifolds or the Max Wedge manifold. The 440 Caravan heads lost power mostly due to port design, lower compression pistons and cast iron smogger exhaust manifolds. “The INDY EZ heads have a unique intake port gasket face.
#INDY 440 HEADS HOW TO#
Just like everything else Mopar-related, Hughes Engines figured out how to make the best out of an already-awesome 440 EZ product with their own magical touch. The latter even came up with a design that made it easy to put high-performance heads on big-block A-bodies, aptly named the “440 EZ.” In fact, a flip through the big-block chapter of the Hughes Engines catalog nets no less than forty variants of aftermarket aluminum air directors from suppliers like Edelbrock, Trick Flow, and Indy Cylinder Head. It’s clear now that the muscle car market was (and still is) hungry for a high-quality, lightweight head. If no one is interested in the next couple of days - Ill list on eBay for 1000. Ill sell these used hand ported for 1/2 that - 925. Early on in the transition, selection was slim as market appetite took shape. Indy 440-EZ Heads (2.19X1.81, 75cc), Edlebrock RPM Performer Intake, Indy Steel Crank (3.530X2.2), Bowl Port & Gasket Match Heads, Milodon Oil Pan. Racer Net for Bare (non-ported) 440-1 heads is 1,849. While a set of ported, cast iron “906” cylinder heads might have been the pinnacle of piston-topping performance circa 1990, the proliferation of aftermarket aluminum heads over the last thirty years has turned most factory pieces into hefty paperweights.