This 1" Phenolic adapter allows the Holley 2BBL carb #R4412 to be installed on a stock GM 2 bbl intake manifold. It comes with all necessary hardware and has Heli-coiled threads.

Features:
*Comes with hardware
*Made In USA
*Heli-Coated Threads

*Warning: This Product can expose you to Formaldehyde, which is known to the state of California to cause cancer and/or birth defects. For more information visit https://www.p65warnings.ca.gov/