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Re: I need a 350 intake gasket
Three different gaskets for three different applications. 1204 has the exhaust crossover passage blocked. 1256 has crossover passage restricted. MS90314-2 has open passage with the option to install restrictor plates.
Which gasket you need is dependent on whether your heat riser valve is fully functional and if the Thermac system on the air filter housing is in place and fully functional.
All of these parts/systems, including the intake gasket configuration aid in cold weather driving during engine warm-up..
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