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The Aeromotive billet fuel rails for GM LS3 applications offer a direct-fit upgrade for LS3 engines finished in black. Built to replace stock rails, they provide a stable platform for injector supply and simplified plumbing for LS3 fuel systems. Their billet construction ensures consistent fit and a clean appearance for engine-bay installations where LS3-specific rail geometry is required.
Aeromotive GM LS3 Fuel Rails - Black
