How about GT-40 heads?
 

I have stock 94 GT heads. I need heads badly and I wanted to know if the GT-40 selection are a good buy and need no other parts for installation. Are these the heads that are on 94 cobras? Are these any good? Anyone with these heads pleased with performance and need not bother with any other brand? Let me know, everyone has helped me tremendously.

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94' Stang GT Convertible Cobra upper&lower, Mac cold air w/K&N, BBK equal length shorties, BBK offroad H-pipe, American Thunder cat-back, BBK T/B 65mm, 24lb injectors, Pro-77mm MAM, pulleys, aluminum driveshaft, 3.55s 14.4@100. (Sad, i know. i have stock heads)

Look in the sig. I love mine. All you need is new head bolts/and head bushings.

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87 GT, 4 inch cowl hood,17x9 Cobra R's/255/45's,GT-40 heads,Crane 2031, Edelbrock intake, long tubes headers,h-pipe,Flows,BBK cold air, Mass air,70mm MAF, 1.7's, 1" spacer,underdrive pulleys,Pro 5.0, King Cobra, Adj. fuel Reg., Lakewood Lift Bars,50/50's,subframes, 4.10's.
Best time 12.759
Best MPH 106.79
Best 60' 1.695

Visit my site at:
http://www.geocities.com/cobrar93_2000/MyPage.html

I am running the GT40 irons on my supercharged 302. The machine shop work has been pretty extensive (porting, polishing, 3 angle, o-rings, cut for loc wire gaskets). The car is making 403 @ the wheels with these heads and many other mods. I am happy with the performance, but would go with aluminums when I do it again. Trick Flow makes a good head at low cost. You may want to check them out. I would definitely go with aluminum.

Their not bad heads,I have been pretty happy with mine. Installation was a breeze, all I done was get a set of ARP head bolts.

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87 notch,maf conv, gt-40 int, gt-40 heads, f303, 1.6rr,24lb inj,190lph, 3 chamber flowmasters, mac equal length shorties,3.73's