LS2 Intake Manifold Porting - LS2 Stealth Mods
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The upper section is fitted and then vibration welded to the lower section. In the aftermarket, composite two-piece manifolds are available and, rather than vibration welding the assembly together, the upper and lower plenums use a traditional O-ring type gasket and fasteners for sealing. Other than higher cost, this type of "removable" top section allows additional porting access to engine builders. View Related Article
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