2" Phenolic 4-Hole 4BBL Carburetor Spacer Rocker Arms and stop-and-go driving conditions while

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

Plymouth Barracuda / Duster / Road Runner

built with a magnetic pickup trigger for use with a compatible external ignition box and coil

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

Overall length is 5

2" Phenolic 4-Hole 4BBL Carburetor Spacer Rocker Arms and stop-and-go driving conditions while2" 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