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The Nitrous Express Billet LT4 supercharger-lid nitrous and water/methanol kit replaces the upper lid on GM LT4 superchargers, offering direct-port-like injection from the runner for improved distribution. Jetting supports 100–400 WHP and the package includes billet and carbon-fiber solenoids, stainless braided lines, hardware and a 12 lb bottle. The solid billet aluminum lid features passages machined into the plate and a 1/8NPT port for future water/methanol additions.
Nitrous Express Nitrous & Water Injection Kit w/Billet LT4 Supercharger Lid w/12lb Bottle
