Features:

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

About Holley

Holley Performance Brands is the undisputed leader in carburetors, fuel pumps, fuel injection, intake manifolds, fuel injection, and fuel systems.

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) 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

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