Chevy SBC 350 EFI 1957-95 Inj Ports HiRise Aluminum Intake Manifold [Black] equal-distribution layout produces great midrange

equal-distribution layout produces great midrange torque without compromising top-end power

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

These manifolds require a universal 4-barrel throttle body

but with several important modifications

Injectors come complete and ready for installation with precision molded o-rings and fine-mesh fuel strainers

Chevy SBC 350 EFI 1957-95 Inj Ports HiRise Aluminum Intake Manifold [Black] equal-distribution layout produces great midrangeStep 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.