Polished Aluminum BBC Dual-Plane Intake Manifold for 396–454 Engines
Enhance your Big Block Chevy (BBC) build with this polished aluminum dual-plane intake manifold, designed for compatible oval port cylinder heads. Its mid-rise configuration supports strong low-end torque, responsive throttle performance, and a broad street-oriented power range from idle to approximately 5,500 RPM.
Constructed from cast aluminum with a bright polished finish, this intake manifold combines a performance-focused design with a clean appearance for classic muscle cars, trucks, hot rods, and street/strip builds. The carburetor mounting flange accommodates many popular spread bore and square bore configurations, while four corner water ports provide additional options for temperature sender placement and cooling system plumbing.
Designed for compatible Chevrolet Big Block 396, 402, 427, and 454 engines, this manifold is suitable for many Mark IV standard-deck applications. Confirm cylinder-head and carburetor compatibility before ordering.
Key Features
- Dual-Plane Design: Supports low-end torque and responsive throttle performance.
- Mid-Rise Configuration: Designed for street-focused engine builds.
- Broad Operating Range: Intended for operation from idle to approximately 5,500 RPM.
- Oval Port Compatibility: Designed for compatible Big Block Chevy oval port cylinder heads.
- Cast Aluminum Construction: Provides a durable intake manifold structure.
- Polished Finish: Adds a bright, refined appearance to the engine bay.
- Carburetor Flange Compatibility: Supports many spread bore and square bore carburetor configurations.
- Four Corner Water Ports: Provide options for temperature sender placement and cooling system routing.
- Versatile Applications: Suitable for compatible muscle cars, trucks, hot rods, cruising vehicles, and street/strip projects.
Product Specifications
| Specification | Details |
|---|---|
| Product Type | Intake Manifold |
| Engine Family | Chevrolet Big Block Chevy (BBC) |
| Compatible Engine Sizes | 396, 402, 427, 454 |
| Cylinder Head Type | Oval port |
| Design | Mid-rise, dual-plane |
| Material | Cast aluminum |
| Finish | Polished |
| Operating Range | Idle–5,500 RPM |
| Carburetor Flange | Compatible with many spread bore and square bore configurations |
| Water Ports | Four corner water ports |
| Listed Engine Applications | Many compatible Mark IV standard-deck configurations |
Intended Applications
- Classic muscle cars
- Big Block Chevy trucks
- Street performance builds
- Hot rods
- Cruising vehicles
- Street/strip projects
Frequently Asked Questions
| Question | Answer |
|---|---|
| Which engines is this intake manifold designed for? | Compatible Chevrolet Big Block 396, 402, 427, and 454 engines. |
| What cylinder heads does it fit? | It is designed for compatible oval port BBC cylinder heads. |
| What is the operating RPM range? | The stated range is from idle to approximately 5,500 RPM. |
| Is this a dual-plane intake manifold? | Yes. It features a mid-rise dual-plane design intended for street-focused performance. |
| What material is it made from? | Cast aluminum with a polished finish. |
| Does it support square bore and spread bore carburetors? | The mounting flange supports many popular square bore and spread bore configurations. Verify your specific carburetor's compatibility before installation. |
| What are the four corner water ports for? | They provide options for temperature sender placement, cooling system routing, and custom plumbing. |
| Will it fit every BBC engine? | No. Confirm the cylinder-head port style, engine configuration, deck compatibility, and carburetor setup before ordering. |
Fitment Notes
- Designed for compatible oval port Big Block Chevy cylinder heads.
- Listed for 396, 402, 427, and 454 engines.
- Compatible with many Mark IV standard-deck applications, subject to configuration.
- Verify carburetor flange compatibility and cooling system connections before purchase.
Important: Exact vehicle model years, manifold dimensions, and specific carburetor compatibility are not provided in the supplied product details.
