This 1" Phenolic adapter that allows the Holley #R4412 2BBL carb to be mounted on 4BBL manifolds that have the standard Holley bolt pattern. These spacers are adjustable front to rear for fine tuning. Comes with all necessary hardware and has threads that are Heli-coiled.

Features:
*Canton Racing Products 85-060 Phenolic Adapt 2bbl/4bbl
*Product Dimension (LxWxH): 8.3"x11.2"x1.25"
*Made in the USA
*Comes with Hardware

*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/