Canton 85-060S Phenolic Carburetor Adapter For Holley 2BBL And 4BBL Open 1 Inch

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