2" Phenolic 4-Hole 4BBL Carburetor Spacer Rocker Arms or 312 CID — with

or 312 CID — with this Pro Series Ready-to-Run distributor

and stop-and-go driving conditions while reducing voltage drops under heavy electrical loads

• Designed for carbureted applications

Open Pressure Rating: 500 lbs

Overall length is 5

2" Phenolic 4-Hole 4BBL Carburetor Spacer Rocker Arms or 312 CID — with2" Phenolic 4 Hole 4BBL Carburetor Spacer This 2" phenolic 4 hole 4bbl carburetor spacer is built for carburetor spacing, intake plenum tuning, and carburetor mounting height adjustment on compatible carbureted intake manifolds. The spacer design can help improve airflow transition and simplify carburetor linkage or clearance adjustments depending on the application. Use it when additional carburetor height, plenum volume changes, or linkage clearance