Holley Hi-Ram Intake Plenum Top Only, 2 x 4150- Black Finish - 300-207BK fittings-and-hoses Part Number: 17405

Part Number: 17405

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Holley Hi-Ram Intake Plenum Top Only, 2 x 4150- Black Finish - 300-207BK fittings-and-hoses Part Number: 17405Overview: Fits Holley Hi Ram Manifolds Holley has launched new black ceramic coated plenum tops to match our Hi Ram manifold bases! They are available in the dual 4150 throttle body pattern or in a full blank top so that you can design your system. The plenum tops are constructed of cast aluminum. Features: Modular Design w Removable Top A B Height: 12. 10 (w Carb Style Top 2 x 4150 or 2 x 4500) See Drawing Height at Plenum Flange: 9. 44 O Ring Seals