FAST 146073-8 LSXHR 103mm Medium Velocity Stack Set

The FAST 146073-8 Medium Velocity Stack Set is designed specifically for the LSXHR 102mm and 103mm intake manifolds, providing precise tuning capabilities for high-performance LS engines. These interchangeable velocity stacks allow racers and engine builders to fine-tune the powerband characteristics of their LSXHR intake system.

Key Features:

• Medium-length velocity stacks optimized for balanced power delivery across the RPM range
• Direct replacement design for LSXHR 102mm and 103mm intake manifolds
• Interchangeable configuration allows mixing with tall and short stacks for cylinder-by-cylinder tuning
• Precision-engineered for consistent airflow and optimal intake runner velocity
• CNC-machined construction ensures accurate fitment and durability

These medium velocity stacks offer versatility for engines operating in the mid-range power spectrum, making them ideal for street/strip applications and road race engines that require strong performance across a broad powerband. The ability to mix and match different stack heights enables advanced tuning to address individual cylinder needs and optimize overall engine performance.