Features:

• Individual plenum top for 300-621BK allows you to select your components individually as you build your intake system
• Designed for GM LS Gen III and IV engines equipped with GM LS1/2/6 (cathedral port) cylinder heads
• Designed for forced induction (supercharged or turbocharged) engine applications with peak power at 7000-8000 rpm depending on the application
• Modular design allowing the use of the included front-feed plenum entry
• Intake design facilitates custom inlet duct and throttle body placement
• Low height to fit under a stock or mildly modified hood in the front-feed configuration
• Front entry plenum flange allows design & fabrication of special throttle body adapters or inlet ducts for custom installations
• Clears 1998-2002 (4th Gen) Camaro/Firebird and 1997-2004 (C5) Corvette cowls and hoods without modification
• High volume fuel rails and mounting hardware included with Â3/4”-16 o-ring ports (8 AN)

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

• 1965 and older U.S. manufactured California Certified vehicles
• 1967 and older U.S. manufactured Federally Certified vehicles
• 1967 and older Foreign manufactured vehicle

The following vehicles are considered Racing Use Only Vehicles:

• Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

The following vehicles are considered Emissions Controlled Vehicles:

• 1966 and newer U.S. manufactured California Certified vehicles
• 1968 and newer U.S. manufactured Federally Certified vehicles
• 1968 and newer Foreign manufactured vehicle