![Chevy BBC 454 Oval Port LowRise Aluminum Intake Manifold [Black] The LS (Gen3/4) platform has](https://cdn.shopify.com/s/files/1/0762/0316/3867/files/1-147-018.jpg?v=1783915113)
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The LS (Gen3/4) platform has many design benefits over the earlier SBC engine designs
They have injector bosses precisely positioned and machined for excellent fuel spray patterns and maximum power
The Speedmaster GM LS1/LS2/LS6 Modular Hi-Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet-metal for high-performance applications where induction system height is not limited
That latter characteristic translates into increased ground
Chevy BBC 454 Oval Port LowRise Aluminum Intake Manifold [Black] The LS (Gen3/4) platform hasThe Speedmaster LowRise Manifolds are our lowest profile manifold and is also the only one that is street legal on pollution controlled vehicles. It is set up to accept a spread bore carb but comes with an adapter plate that permits the use of square bore carbs. To remain street legal with a square bore carb, you must use one that is also approved as street legal for your application.
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