Holley LS Split Design Carb Intake Manifolds #300-291

The Holley LS intake manifolds are designed with performance in mind, featuring a race-bred, 2-piece split design previously only found on expensive race intakes. These manifolds are compatible with GM LS Gen III engines and are ideal for 4150-style square bore flanged carburetors or throttle body EFI. With a focus on high performance and racing engines, this single-plane design is perfect for 5.3 to 6.2+ liter engines with maximum speeds of 7,000 rpm. It offers optimal performance across the entire rpm spectrum, ensuring peak performance at all times.