Holley 300-600BK: 300-600BK Intake Manifold Base and Fuel Rail Kit for Holley Modular Lo-Ram EFI Intake Manifold 300-620BK
Intake Manifold Base LS1/LS2/LS6
Intake Manifold Base and Fuel Rail Kit For Holley Modular Lo-Ram EFI Intake Manifold 300-620BK GM LS1, LS2, LS6 Black Powder-Coat Finish Includes Single-Injector Manifold Base and Fuel Rails Sold Individually