NOS Dry Nitrous Spacer Plate for Holley LS Hi-Ram EFI Intake Manifolds – Silver


Model Number: 12535NOS

This NOS plate designed to bolt between the upper and lower intake manifold on Holley Hi-Ram LS manifolds. This sandwich-style plate gives you an easy way to add nitrous oxide to your Hi-Ram equipped LS engine. Our plate is machined from billet 6061-T6 aluminum, laser engraved with NOS logo, then anodized for great looks and excellent corrosion protection.

Our 1-piece plate features machined passages that precisely spray into the center of each cylinder. Plate includes jetting for up to 250 horsepower but is capable of supporting 1000+ horsepower. The plate is made from billet aluminum with passages machined directly into the plate so there is no need to worry about spray bars breaking or spinning. Includes NOS plate, gasket, jet holders, and jets.


This dry single stage plate sandwiches between the bottom base and top plate on Holley Hi-Ram intake manifolds

Designed specifically for optimum nitrous distribution on LS-based engines

Sprays nitrous directly into each cylinder runner for proper nitrous distribution

Features a machined 0.103” passage that feeds eight 0.040” openings per intake runner

Plate is made from billet 6061-T6 aluminum and has laser etched NOS logo

Anodized black or clear for corrosion resistance and high quality appearance

Includes jetting for 50, 100, 150, 200, and 250 horsepower configurations

Supports up to 1000+ horsepower (jets purchased separately)

Includes Plate, Gasket, Hardware, Jet Holders, and Jetting for up to 250 horsepower


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