Edelbrock part #5409 Performer RPM Dual-Quad intake manifold is designed
to fit 1958-1965 Chevrolet 348/409 "W" big-block engines with factory
large port or with our Performer RPM W-series heads #60809 or #60819.
The manifold deliver performance with Edelbrock Performer Series or
Thunder Series AVS dual-quad carburetors, and they accept our dual-quad
fuel lines, throttle linkage, and air cleaners. Includes Oil Fill Tube
(not installed) and matching push-in Breather. Oil Fill Tube and
Breather are also available separately as #4803. Carb center-to-center
measurement is 6-7/16".
