Chrysler Mopar BB 413 426 440 HiRise Aluminum Intake Manifold [Satin] The Speedmaster GM LS1/LS2/LS6 Modular

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

Speedmaster H-beam connecting rods are one of the strongest connecting rods available

making it a strong upgrade for performance builds

you must use one that is also approved as street legal for your application

Chrysler Mopar BB 413 426 440 HiRise Aluminum Intake Manifold [Satin] The Speedmaster GM LS1/LS2/LS6 ModularStep 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.