intake manifold;manifold efi pro flo xt sbc vortec heads

Pro-Flo XT intake manifolds are engineered with a large plenum and long tapered runners to deliver maximum horsepower and broad torque band throughout the rpm range. Choose satin aluminum or black finish for 1957-86 S/B Chevy or S/B Chevy with E-Tec/Vortec heads.