Holley 300-227 Hi Ram Intake Manifold Base for GM LS-Series Engines with Cathedral Port Heads

The Holley 300-227 Hi Ram Intake Manifold is engineered to optimize airflow and boost performance for GM LS-Series engines equipped with cathedral port heads. Crafted from durable aluminum, this intake manifold features a natural finish that ensures longevity and corrosion resistance. The base-only design allows for custom modifications and precise installation, making it suitable for performance applications and engine builds. Gaskets, hardware, and fuel rails are included to facilitate a comprehensive installation process. The Hi Ram design provides increased airflow capacity, which enhances horsepower and torque across a wide RPM range. This manifold is compatible with LS1, LS2, and LS6 engines, offering a versatile upgrade for enthusiasts and professional builders alike. Designed for direct fitment, it ensures reliable performance and durability under demanding conditions. Whether upgrading an existing engine or building a new performance setup, the Holley 300-227 provides a quality solution that meets high-performance standards.

Features:

• Intake manifold designed for GM LS-Series engines with cathedral port heads

• Constructed from durable aluminum with a natural finish

• Includes gaskets, hardware, and fuel rails for complete installation

• Optimized airflow for increased horsepower and torque

• Base-only design allows for custom modifications and precise fitment