![Chevy BBC 454 Rect Port HiRise Aluminum Intake Manifold [Polished] With an adjustable vintage plastic](https://cdn.shopify.com/s/files/1/0762/0316/3867/files/1-147-023.jpg?v=1784453791)
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Ships within 48 hours · Estimated delivery Sep 29 - Oct 4
With an adjustable vintage plastic snapback closure
High performance fuel injectors
improved throttle response and better fuel economy
This allows for an efficient fluid transfer
Suits: 1-149-004 and 1-149-005 Manifolds
Chevy BBC 454 Rect Port HiRise Aluminum Intake Manifold [Polished] With an adjustable vintage plasticStep up to the high rpm power of an open plenum with Speedmaster HiRise intake manifolds. These cast aluminum manifolds accept square bore carburetors and are pressure tested to ensure maximum performance. They start to make awesome power around 3,000 rpm.
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