Holley Dual Plane Intake - GM LS1/LS2/LS6

Features:

• 1500-6500 RPM power band
• 4150 Square bore flange
• Optimized runner layout and constant cross sectional area - broad torque curve, best vehicle performance from 1500-6500 RPM
• Minimum carb flange height means it fits in vehicles with minimal or no hood modifications
• Great for carbureted or throttle body EFI street applications
• Cast aluminum construction and efficient casting design for light weight, consistent wall thicknesses and improved casting quality
• Weighs 15.14 lbs.
• Height (front) - 5.07" from front lifter valley cover to carb mounting flange
• Height (rear) - 6.14" from rear lifter valley cover to carb mounting flange
• Port size - 2.72" height x 1" wide
• Mounting flange gasket type - O-ring
• Includes Viton® O-rings - Viton® is a registered trademark of DuPont Performance Elastomers

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles.

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