Installation Notes:

Some modification to the valve covers may be required when using this manifold with some types of cylinder heads. This manifold will work with any small block Chevy engine equipped with aftermarket cylinder heads, as long as those cylinder heads have a standard port flange opening and mounting bolt locations.

This manifold is also compatible with 1987-1991 Chevrolet L98 aluminum Corvette cylinder heads. (non-EGR)

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART