Speedmaster Chevy BBC 454 Oval Port MID-AIR MidRise Aluminum Intake Manifold Satin

The Speedmaster Chevy BBC 454 Oval Port MID-AIR MidRise Aluminum Intake Manifold (Part 1-147-019) is a precision-engineered intake component designed for big-block Chevrolet 454 engines with oval port cylinder heads. This satin-finish aluminum manifold delivers improved intake flow dynamics and thermal management over stock units, making it a popular upgrade choice for street performance and restoration builds.

The MidRise design provides an optimal plenum height for carbureted or fuel-injected BBC 454 applications, balancing velocity and distribution across the engine's eight cylinders. The oval port configuration ensures proper gasket sealing and maximum flow efficiency with compatible BBC 454 oval port heads. Constructed from durable aluminum, the manifold resists corrosion and offers a clean, professional appearance with its satin finish. Ideal for hot rod builds, engine swaps, and performance upgrades where authentic big-block Chevy fitment and reliability are essential.

Key Features & Benefits

• BBC 454 Oval Port: Engineered specifically for Chevy big-block 454 engines with oval port cylinder head configurations.
• MID-AIR MidRise Design: Optimized plenum height balances intake velocity and cylinder distribution for improved engine response.
• Aluminum Construction: Lightweight, corrosion-resistant aluminum body with satin finish for durability and clean aesthetics.
• Performance-Oriented Flow: Precision casting delivers improved intake flow compared to original equipment manifolds.

Specifications

Ideal Applications

• Big-block Chevy 454 engine builds and restorations
• Hot rod and muscle car performance upgrades
• Engine swap projects requiring authentic BBC fitment
• Carbureted or fuel-injected 454 engine conversions