null

Holley Hi-Ram Plenum Plate Conversion

Nitrous Express

(1 review) Write a Review
$954.31
SKU:
NX940
Adding to cart… The item has been added

Product Overview

The Holley Hi-Ram Nitrous Plates take full advantage of the Holley Hi-Ram intake manifold. The Hi-Ram Plenum Plate bolts right in between the upper and lower intake manifold making the install a super clean and quick.

Hi-Ram Nitrous Plates allow you to inject nitrous and fuel above each cylinder from the side of the runner providing direct port-like distribution without having a flow restricting nozzle or spray bar. The Hi-Ram nitrous plate is made in the USA from billet aluminum with passages machined directly into the plate so there is no need to worry about spray bars breaking or spinning.

Features of the Holley Hi-Ram Nitrous Plate

  • 50-400 WHP
  • Made in the USA
  • Machined out of billet aluminum 
  • No spray bars

Reviews

(1 review) Write a Review

1 Review Hide Reviews Show Reviews

  • 5
    Really nice

    Posted by Matt on Oct 5th 2026

    I didnt want to drill and tap my hi ram so I went with this instead. Easiest 300 HP gain of my life. would definitely recommend to anyone looking to get some more power out of their LS