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

The Speedmaster high mount serpentine kit for Chevy LS engines

each Manifold is 100% pressure tested for leaks to eliminate installation problems

They have injector bosses precisely positioned and machined for excellent fuel spray patterns and maximum power

The body is alloy machined finish

Chrysler Mopar BB 413 426 440 HiRise Aluminum Intake Manifold [Polished] 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.