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0505htp Truck 11 Z

The Chevrolet Service Manual recommends using GM P/N 12345493 threadlock, new fasteners and new gaskets when reinstalling manifolds. I reused the gaskets and fasteners and have not had an exhaust leak. Stainless Works flanges are the same thickness as the cast-iron manifolds, so bolt length is not a problem.
Stainless Works Headers & Catback Install - Velocity Viagra

 The Chevrolet Service Manual recommends using GM P/N 12345493 threadlock, new fasteners and new gaskets when reinstalling manifolds. I reused the gaskets and fasteners and have not had an exhaust leak. Stainless Works flanges are the same thickness as the cast-iron manifolds, so bolt length is not a problem.  View Related Article

 

 

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