The Speedmaster Chevy BBC 454 Rectangular Port HiRise Aluminum Intake Manifold (model 1-147-024) is engineered specifically for big block Chevy 454 engines equipped with rectangular port cylinder heads. This high-rise design maximizes air flow dynamics and is constructed from lightweight aluminum, making it an ideal upgrade or replacement manifold for performance and street applications.
Built to direct-fit BBC 454 rectangular port specifications, this manifold delivers the flow characteristics needed for engine efficiency and reliability. The black finish provides both durability and a clean engine bay appearance. Whether you're rebuilding a classic big block Chevy or upgrading an existing 454 engine, this Speedmaster intake manifold offers a proven solution that meets original port geometry requirements.
Key Features & Benefits
- BBC 454 Specific: Designed and tested for Chevy big block 454 engines with rectangular port cylinder heads.
- Aluminum Construction: Lightweight aluminum build reduces overall engine weight while maintaining structural integrity.
- Rectangular Port Match: Engineered to match rectangular port head configurations for optimal fitment and flow.
- HiRise Design: High-rise intake tower maximizes air intake volume and engine bay compatibility.
- Black Finish: Durable black powder-coat finish resists corrosion and provides a professional appearance.
Specifications
| Brand | Speedmaster |
| Model/MPN | 1-147-024 |
| Engine Application | Chevy BBC 454 |
| Port Type | Rectangular Port |
| Design | HiRise |
| Material | Aluminum |
| Color | Black |
Ideal Applications
- Big block Chevy 454 engine rebuild and restoration
- Performance street rod and hot rod applications
- 454 engine upgrade or replacement manifold installation
- Classic truck and muscle car engine modifications