Chevy SBC 350 EFI 1957-95 Inj Ports HiRise Aluminum Intake Manifold [Black] Their dual-idler design has CNC-machined

Their dual-idler design has CNC-machined components and they are easy to install

street-rod applications and more

to feed its sump tankâÃîdelivering enough fuel to power up to 800 HP engines

This cooler air charge provides additional power and torque

These Speedmaster tailshaft housings are designed to fit the stock Turbo 400 transmissions

Chevy SBC 350 EFI 1957-95 Inj Ports HiRise Aluminum Intake Manifold [Black] Their dual-idler design has CNC-machinedStep 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.