Features:

• Includes Viton® intake to cylinder head O-ring gaskets - Viton® is a registered trademark of DuPont Performance Elastomers
• 4150 Square bore carb mounting flange (accepts up to 1.75" diameter throttle bores)
• Optimized runner layout and constant cross sectional area - broad torque curve, best vehicle performance from 2500-7000 RPM
• Efficient casting design - lightweight, consistent wall thicknesses, improved casting quality
• Port size - 2.659" height x .918" wide
• Cast aluminum construction - great manifold for centrifugal blower, turbocharged or NOS power adder applications
• Height (front) - 4.95" to the lifter valley cover flange at the engine block front flange
• Weight - 11.5 lbs.
• Minimum carb flange height - fits in vehicles with minimum hood modifications
• 2500-7000 RPM power band

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