4150 Mondello Posiflow


This all aluminum intake manifold for the 400-425-455 Olds engines has an open plenum large runner and is designed for high performance needs. Carburetor base fits a square bore Holley carburetor flange. Effective power range from 1200 to 7500 RPM. Comes port matched to Edelbrock and Mondello aluminum cylinder heads.

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Additional information

Weight 25 lbs
Dimensions 22 × 14 × 7 in

Standard, With Cone, Ported, Ported w/ Cone