Mild-Mannered 440 Mauler - Part 4, The Top End Build
Indy's EZ head concept was to alter the successful SR style head, with the primary change being a stock exhaust port location to ease off-the-shelf header installation in non-race applications. The heads are available in four versions: a standard port window head at 270 cc, a partially CNC-ported Max Wedge port at 275 cc, a full CNC head at 295 cc, and an offset intake rocker CNC version at 325 cc. Peak intake flow is 305, 355, and 370 cfm, respectively. The two larger heads use external rocker oiling, fed through the tapped passage shown here, while the two smaller heads oil the rocker like a stocker. We selected the full Windjammer CNC 295s for our build to avoid any need to port them.
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