Edelbrock 7158 GM W-Series Performer RPM Intake Manifold, Square Bore, Dual Plane, Aluminum, Natural, Each

CHEVROLET 348/409 W-SERIES V8 PERFORMER RPM (1500-6500 RPM)

These Performer RPM intake manifolds are designed to fit 1958-1965 Chevrolet 348/409 "W" big-block engines. Two versions are available, one for small-port cast iron factory heads and one for factory large port or with our Performer RPM "W"-series heads #60809, #60815 or #60819. They both deliver improved performance in the mid to high rpm range when combined with Edelbrock carburetor’s. Includes Oil Fill Tube (not installed) and matching push-in breather cap. The Oil Fill Tube and Breather are also available separately as #4803. For square-bore carburetors only. Machined for PCV provision.

Emissions Warning
Products sold on this website may not be legal for use on public roads or highways due to Environmental Protection Agency (EPA) restrictions or California Air Resources Board (CARB) emissions regulations. Federal and State regulations may restrict Product installation to pre-emissions regulation (Model Year 1974 or earlier) or to competition/racing vehicles used exclusively in
1) events organized by recognized bodies, authorizing permits for participating drivers.
2) racing event qualification, and3) practice associated with events.
Installation of such products, including driving racing vehicles to and from the track, may be considered illegal “tampering ” or as “defeat device”, and may result in federal and state penalties. It is the purchaser’s responsibility to ensure compliance with all applicable emissions laws, including California’s stricter standards.

Proposition 65 Warning:
This product may contain chemicals known to the state of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.