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The upper intake on a fuel injected engine limits how tall the valve covers can be. Sometimes you have to add an intake spacer to clear a valve cover. Look at what others have done, and you will know what will clear. Otherwise they are identical.
89 Coupe, 369 big bore, AFR, custom Comp cam, Kooks, 3" exhaust, 11.6 @ 121 mph
04 Cobra, JLT 12" CAI, Magnaflow, Borla, Stifflers, FTBR Rr Susp, MM Frt Susp, 12.4 @ 115 mph
67 Cougar, XR7 GT, 462 FE, 4 spd, Edelbrock heads, PI intake, Global West
Clearance areas to consider are... TB bracket to new valve cover clearance, upper intake to new valve cover clearance, oil fill/ crankcase vacuum hose placement and hood to upper intake clearance because of the use of a spacer. To make mine fit I had to use a 1" and a 3/8" spacer to make the systemax upper not hit the cover, I plugged the new valve cover hole on the drivers side, I deleted the EGR and a it's spacer for TB bracket clearance and used a valve cover breather on the passenger side valve cover which is also my oil fill port.
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