Holley Hi-Ram Intake Plenum Top Only - 2 x 4500 (2.5" bore)

Hi-Ram, Plenum Top Only, 2 x 4500, 2.5in Bore

PART# 300-239

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$188.95   Suggested Retail
$169.95   Your Price
Estimated shipping date: 04/22/2019
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Fits Holley Hi-Ram Manifolds


  • 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
Manifold TypeManifold
Product TypeManifold
RPM Power Band3500-8000+
Type of ComponentManifold Top
Part Number300-239


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

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