Chevy SBC 350 EFI 1957-95 Inj Ports HiRise Aluminum Intake Manifold [Black] Speedmaster EFI intake manifolds make

Speedmaster EFI intake manifolds make it simple to convert competition engines to electronic fuel injection

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

These can be used on std or aftermarket plenum manifolds

These manifolds require a universal 4-barrel throttle body

stable air flow at any rpm

Chevy SBC 350 EFI 1957-95 Inj Ports HiRise Aluminum Intake Manifold [Black] Speedmaster EFI intake manifolds makeStep 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.