Holley Carburetor Hat/Plenum Cast aluminum plenums are beautifully finished with black powder coating and natural aluminum highlights. This plenum is designed to fit most American 4 barrel carbs that have a 5 1/8" flange. Designed for cold air intake, the plenum has a single snorkel outlet that can be fitted with a 4" I.D. hose running to a remote air filter, like a snorkel.
A K&N universal filter with a 4" flange can also be clamped directly onto the plenum. The outside diameter of the plenum is 9" and the snorkel sticks out 6" from the center of the plenum. Minimum clearance required above the carburetor flange is 3 1/8". Customer must provide one 1/4" x 20 hold down stud.
Adaptor for Weber Carb (Part# 1033030)
Contact our Tech Support Line for further information at 928-855-6341.
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