Nitrous Express Holley Hi‑Ram dry direct port system plenum plate configured with a 12 lb bottle. The Hi‑Ram plate installs between the intake halves for a neat direct‑port layout, injecting nitrous above each cylinder from the runner side to maximize distribution consistency. Kits include Lightning Series solenoids, stainless braided lines, wiring, switches and all installation hardware; bottle package included per configuration.
Nitrous Express Holley Hi-Ram Dry Direct Port Plate Nitrous System w/ 12lbs Bottle