Holley EFI LS Hi-Ram Intake Manifold Bases #300-214

The Holley EFI LS Hi-Ram intake manifold bases offer a practical and cost-efficient option for high-performance setups that do not have height restrictions. These cast aluminum Hi-Rams, when paired with LS-style cylinder heads, have incredible potential for both naturally aspirated and forced induction engines at an affordable price. Featuring a modular design, these lower manifolds can be easily adapted to a variety of carbureted and EFI systems, making them a popular choice for custom induction builds. The fuel rails are included and designed for high fuel flow with -8 AN O-ring fittings, helping to reduce pressure pulsations in the system. With its bold, race-inspired design, the Holley GM LS Hi-Ram lower manifolds are perfect for a range of applications, from drag racing and muscle cars to off-roading and street rods.