Chevy 348-409 small port, 1500 to 6500 rpm

ED7158

7158

Performer RPM are dual-plane, high-rise intakes with 180° firing order to produce incredible top-end horsepower while retaining good throttle response. Their larger plenums and runners match the free-flowing exhaust, high-lift cams and other modifications of a high output engine. They are intended for high-performance street or competition engines that run up to 6500 rpm. They are not for emissions equipped engines. Edelbrock's Performer RPM gives you the ultimate in street high-performance. These new Performer RPM intake manifolds are designed to fit 1958-1965 Chevrolet 348-409 "W-Series" big-block engines. Two version are available; one for small-port cast iron heads and the other for factory large port or with Performer RPM "W-Series" heads # ED60819. Delivers improved performance in the mid to high rpm range when combined with Edelbrock carburettors. Includes Oil fill Tube (not installed) and matching push-in breather cap. For square-bore carburettor only. Made in USA