Thread: Intake manifold gasket?
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Old 02-20-2003, 09:20 PM
Rob_R Rob_R is offline
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Cobra Make, Engine: Superformance 496 FE side oiler TKO II
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George,

The 1262R is the right intake manifold gasket for the GT40X heads. These are the gaskets that came on my FMS 392 with the GT40X heads. At 1 point I tried trimming a set of 1250's to fit but it was not worth it. The Ford Motorsports Catalog lists the part number for the GT40X intake manifold gasket as M-9439-A50 which is the 1262R. As stated in the catalog "redesigned for improved port location and allows mild porting". This may be why they seem a bit big.

Robert
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