42-4507 GMC Intake Manifold
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GMC 248/270/302

Fits all GMC Inline Engines.

Enjoy the quick throttel response, and great economy with Jack's High Flow Intake Manifold.

It has a water jacket cast into the base of the Manifold to atomize air and fuel unlike the stock intake that sat on the exhaust for heat.

You will need a carb adaptor to bolt on your Holley, Edelbrock or Weber Carb.

08-1013 is made to fit your Weber 38 Carb ONLY

08-1014 is made to fit your four barrel carb.

6=8 Intake Manifolds are not designed to bolt on without headers. They will not fit with the stock exhaust.

  • Item #: 42-4507WH

42-4507 GMC Intake Manifold

Price: $359.00
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