Speedmaster Pontiac 326-455 HiRise Aluminum Intake Manifold Black 1-147-093

The Speedmaster Pontiac 326-455 HiRise Aluminum Intake Manifold (MPN 1-147-093) is engineered for classic Pontiac engines spanning the 326, 350, 389, 400, 421, 428, and 455 cubic-inch displacement models. This high-rise aluminum design delivers improved airflow characteristics and thermal efficiency compared to cast-iron alternatives, making it an ideal upgrade for enthusiasts restoring or modifying Pontiac-powered vehicles.

Constructed from lightweight aluminum, this intake manifold supports carburetor mounting and fuel delivery on compatible Pontiac big-block and small-block engines. The black finish provides durability and a clean, modern appearance under the hood. Whether you're building a street engine, restoration project, or performance-focused setup, this manifold combines genuine Pontiac compatibility with the weight savings and heat-dissipation benefits of aluminum construction.

Key Features & Benefits

• Pontiac Multi-Engine Fit: Compatible with Pontiac 326, 350, 389, 400, 421, 428, and 455 cubic-inch engines.
• High-Rise Aluminum Design: Improved airflow and thermal efficiency over factory cast-iron manifolds.
• Lightweight Construction: Aluminum body reduces overall engine weight for better performance dynamics.
• Black Finish: Durable coating resists corrosion and delivers a professional appearance.
• Carburetor Ready: Designed for standard carburetor mounting on compatible Pontiac platforms.

Specifications

Ideal Applications

• Pontiac engine restorations and classic vehicle rebuilds
• Street and performance engine builds
• Fuel delivery system upgrades on Pontiac platforms
• Hot rod and muscle car projects featuring Pontiac engines