![Pontiac 326 350 389 400 421 428 455 HiRise Aluminum Intake Manifold [Satin] Standard valve sizes are 2](https://cdn.shopify.com/s/files/1/0762/0316/3867/files/1-147-091.jpg?v=1785234679)
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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
Standard valve sizes are 2
Due to the large-diameter 13 in
Speedmaster freeze plugs will not rot out
or 8-cylinder engines with a 12-volt
Also includes: Correct Mounting fasteners
Pontiac 326 350 389 400 421 428 455 HiRise Aluminum Intake Manifold [Satin] Standard valve sizes are 2This manifold is a single plane manifold that will fit under all Pontiac hoods including the Trans Am "Shaker" hood. It accepts a stock Quadrajet carb but we also include an adapter plate for standard square bore carbs. This manifold is designed to work with cylinder heads up to 300 CFM. It is also available machined for injectors.
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