Speedmaster 1-147-098 Oldsmobile 400 425 455 Low Rise Polished Aluminum Intake Manifold

The Speedmaster 1-147-098 is a low-rise polished aluminum intake manifold designed for Oldsmobile 400, 425, and 455 engine blocks. This direct-fit manifold combines lightweight aluminum construction with a polished finish, offering both performance and aesthetic appeal for engine rebuild and restoration projects.

Built to OEM specifications for seamless bolt-on installation, this intake manifold integrates with your existing engine bay without modification. The low-rise profile suits popular engine configurations and carburetor setups common in classic Oldsmobile restorations and performance builds. Polished aluminum reflects heat and resists corrosion, contributing to engine longevity and a professional appearance under the hood.

Key Features & Benefits

• Low-Rise Design: Engineered for Oldsmobile 400, 425, and 455 engines with a compact profile that fits standard engine bay configurations.
• Polished Aluminum: Corrosion-resistant polished finish provides durability and a high-quality appearance.
• Direct Bolt-On Fit: Manufactured to OEM specifications for straight forward installation without modification.
• Lightweight Construction: Aluminum core reduces overall engine weight for improved efficiency and handling.

Specifications

Ideal Applications

• Engine rebuilds and restoration for classic Oldsmobile vehicles
• Performance engine swaps and modifications
• Original equipment replacement for OEM intake manifold failure
• Hot rod and street machine builds with Oldsmobile big-block engines