FAST 146073-1 LSXhr 103mm Intake Manifold Medium Velocity Stack Single

The FAST LSXHR 103mm Medium Velocity Stack is a precision-engineered interchangeable intake component designed for use with the FAST LSXHR 103mm Intake Manifold system. These velocity stacks are a key tuning tool for LS-based performance engines, allowing builders and tuners to shape the powerband characteristics of their engine with a simple swap of components.

Available in three heights — tall, medium, and short — the LSXHR velocity stacks can be mixed and matched across individual cylinders, giving tuners the ability to fine-tune intake charge velocity on a cylinder-by-cylinder basis. The medium stack offers a balanced middle ground between low-end torque and top-end power, making it a versatile choice for street/strip and performance applications.

Key Features:

• Designed specifically for the FAST LSXHR 103mm Intake Manifold
• Interchangeable design allows mixing and matching with tall and short stacks
• Enables precise, cylinder-by-cylinder powerband tuning
• Medium height profile balances mid-range torque and peak power output
• Compatible with LS-based engines running the LSXHR 103mm manifold system
• High-quality construction consistent with FAST performance standards

Whether optimizing for a specific RPM range or fine-tuning individual cylinder performance, the FAST LSXHR Medium Velocity Stack provides the flexibility serious engine builders demand. Sold individually — mix with tall or short stacks to dial in your ideal powerband.