KSR Big Block HEader Flange

Some of the parts sold on our store are illegal to install on an emissions controlled vehicle. Please check with your local state / city emissions office to verify whether this item is legal for installation on your vehicle.

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 vehicles

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 vehicles

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