Chrysler Mopar BB 413 426 440 HiRise Aluminum Intake Manifold [Polished] If your standard Bowtie block

If your standard Bowtie block could handle 1500+ HP it would be Speedmaster's H1 engine block

but with several important modifications

Valve CoversCover your valvetrain with a set of Speedmaster fabricated aluminum valve covers

Kits include: Fully assembled aluminum cylinder heads

which allows these starters to work great while lasting a long time

Chrysler Mopar BB 413 426 440 HiRise Aluminum Intake Manifold [Polished] If your standard Bowtie blockStep 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.