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Holley Hi-Ram Intake Plenum Top Only, 2 x 4150- Black Finish

Hi-Ram, Plenum Top Only, 2 x 4150

PART# 300-207BK

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$212.00   Suggested Retail
$189.95   Your Price
Estimated shipping date: 12/11/2020
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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.


  • 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 for Plenum Top


BrandHolley EFI
Emission Code4
Product TypeManifold
Type of ComponentManifold Top
WarrantyLimited 90 Day
Part Number300-207BK



This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

Tech Resources

Bolts thread into lid downwards through the intake base.

Warranty Information

Limited 90 Day: See Details
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