Holley EFI Lo-Ram Plenum

Holley EFI Lo-Ram Plenum

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The P/N 300-631 & 300-631BK Lo-Ram billet aluminum plenum tops are designed as part of the Holley LS front-feed Lo-Ram EFI intake manifold kits. It is commonly known billet is the best. The strength and rigidity of these components is impervious to cracking and further resists any vibration and harmonics. These 3D CNC machined pieces are cut from a solid block of billet and then anodized. Take your Lo-Ram to another lever with Holley billet Lo-Ram components.
  • Machined Billet Construction
  • Clear/Black Anodized For Long-term Protection
  • Machined For A Standard Large 6-1/8 in. X 3-1/8 in. Burst Panel
  • Modular Lo-Ram Allows Customization For Your Induction System
  • Flange Seal O-ring Cord/Mounting Fasteners Included In The Kit
  • Includes Hardware

Additional Attributes:

  • GTIN: 00090127105849
  • WARNING CA Proposition 65: Yes
  • WARNING CA Proposition 65 Message: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov


  • Quantity of Each:
  • Package UOM:
  • Dimension: 10.2500 x 5.9000 x 5.1200 inches