Chrysler Mopar BB 413 426 440 HiRise Aluminum Intake Manifold [Satin] The Speedmaster high mount serpentine

The Speedmaster high mount serpentine kit for Chevy LS engines

making it a strong upgrade for performance builds

improved throttle response and better fuel economy

The Speedmaster GM LS1/LS2/LS6 Modular Hi-Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet-metal for high-performance applications where induction system height is not limited

The runner length and the tapered cross-section were designed to perform well for a wide range of engine configurations

Chrysler Mopar BB 413 426 440 HiRise Aluminum Intake Manifold [Satin] The Speedmaster high mount serpentineStep up to the high rpm power of an open plenum with Speedmaster HiRise intake manifolds. These cast aluminum manifolds accept square bore carburetors and are pressure tested to ensure maximum performance. They start to make awesome power around 3,000 rpm.