This part is legal for use on Uncontrolled (Non-Emissions Controlled) Vehicles or Racing 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 Racing Vehicles are vehicles that are used exclusively for racing or other forms of competition that are not registered and that may never be used on the street.

Maxsea charts. The Universal Edition and Ultimate Edition bundles use a single serial number to turn on the main Manifold System edition and all three extensions - no need with Universal or Ultimate to turn on extensions with separate serial numbers for the extensions.

About Us Holley® has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every Monster Energy NASCAR® Cup team and nearly every NHRA® Pro–Stock champion for four decades.

Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds & engine dress–up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies we can give you the edge you need over the competition!