Speedmaster PCE148.1054 Chevy GM Vortec 496 537 8.8L Aluminum Intake Manifold 91mm Satin

The Speedmaster PCE148.1054 is a high-quality aluminum intake manifold engineered for Chevy and GM Vortec 496 and 537 cubic inch (8.8L) engines. Featuring a 91mm bore and satin aluminum construction, this manifold delivers improved airflow and engine efficiency while maintaining OEM-compatible fitment. The precision-cast aluminum design reduces weight compared to stock cast-iron units, contributing to better overall engine performance and longevity.

This intake manifold is ideal for performance enthusiasts and engine builders looking to upgrade their big-block Vortec powerplants with quality aftermarket components. The satin finish provides both aesthetic appeal and corrosion resistance. Compatible with Vortec 496 and 537 applications, the PCE148.1054 is a direct replacement that integrates seamlessly into existing engine configurations. Whether for street performance, marine use, or custom engine builds, this Speedmaster manifold combines durability with proven reliability in high-demand engine environments.

Key Features & Benefits

• 91mm Bore: Optimized 91mm intake bore ensures proper air velocity and distribution for maximum engine efficiency.
• Aluminum Construction: Lightweight cast aluminum body reduces weight while maintaining structural integrity and heat management.
• Satin Finish: Professional satin aluminum finish provides corrosion resistance and a clean appearance.
• Vortec 496/537 Compatible: Direct fit for Chevy GM Vortec 496 and 537 cubic inch (8.8L) engines.
• OEM-Style Design: Precision-engineered geometry maintains original mounting and connection points for hassle-free installation.

Specifications

Ideal Applications

• Performance engine builds for Vortec 496 and 537 big-block applications
• Marine and automotive engine upgrades requiring high-flow intake manifolds
• Custom engine installations and restorations on GM performance vehicles
• Aftermarket intake replacement for improved airflow and efficiency