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Nitrous Express hardline kit for LS3 manifolds is built for integration with the NX plate system (part #20934-10) and the matching custom solenoid bracket (part #15768). This kit supplies preformed hardlines to simplify nitrous plumbing installation on factory LS3 intake manifolds and to maintain a neat engine-bay layout.
Nitrous Express Hardline Kit for LS3 Manifold
