![Pontiac 326 350 389 400 421 428 455 HiRise Aluminum Intake Manifold [Satin] Also includes: Correct Mounting fasteners](https://cdn.shopify.com/s/files/1/0762/0316/3867/files/1-147-091.jpg?v=1785234679)
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Also includes: Correct Mounting fasteners
Speedmaster freeze plugs will not rot out
Due to the large-diameter 13 in
Standard valve sizes are 2
The racing influenced intake manifold for the 1993-95 13B Stock and semi-peripheral ported engine is ideally suited to meet the performance requirements of the four barrel carburetor
Pontiac 326 350 389 400 421 428 455 HiRise Aluminum Intake Manifold [Satin] Also includes: Correct Mounting fastenersThis 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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