Chrysler Mopar BB 413 426 440 HiRise Aluminum Intake Manifold [Polished] Speedmaster CNC ported cylinder heads

Speedmaster CNC ported cylinder heads are machined on dedicated 5-axis CNC machines to ensure accuracy and better flow

Also stock replacement/street legal for 302

Kits include: Fully assembled aluminum cylinder heads

Speedmasterª EFI systems give you everything you need to add powerful and efficient fuel injection to your vehicle

Chrysler Mopar BB 413 426 440 HiRise Aluminum Intake Manifold [Polished] Speedmaster CNC ported cylinder headsStep 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.