Speedmaster 1-148-052-03 Chrysler Mopar BB 413 426 440 HiRise Intake Manifold EFI Black

The Speedmaster 1-148-052-03 is a HiRise intake manifold engineered for Chrysler Mopar big-block engines, including 413, 426, and 440 cubic-inch displacements. This EFI-ready version is finished in black and designed to integrate modern fuel injection systems while maintaining the classic appearance and performance characteristics of original Mopar equipment. The HiRise design optimizes intake runner geometry for improved airflow and throttle response across the RPM band.

This intake manifold is ideal for restoration projects, street rod builds, and classic car enthusiasts looking to upgrade cooling and fuel delivery on original or race-prepared Mopar big-block engines. The EFI version eliminates the need for carburetors while preserving the authentic look of period-correct engine bays. Compatible with the full range of Mopar BB displacement options, it serves as a direct upgrade path for vehicles originally equipped with carburetor or early fuel injection setups.

Key Features & Benefits

• HiRise Design: Optimized intake runner configuration maximizes airflow and throttle response for improved engine performance.
• EFI-Ready: Purpose-built for electronic fuel injection systems, eliminating carburetor compatibility requirements.
• Mopar BB Compatible: Fits Chrysler 413, 426, and 440 cubic-inch big-block engines.
• Black Finish: Corrosion-resistant black coating maintains aesthetic appeal in show and street applications.

Specifications

Ideal Applications

• Chrysler Mopar big-block engine restoration and upgrades
• Classic car and hot rod fuel injection conversions
• Street rod and custom builds with 413, 426, or 440 engines
• Performance tuning projects requiring improved intake flow