Allstar Performance base plate inserts, 1.300, 4pk, for 1/2in spacer, in race car induction systems. Enhances carb spacer fitment for better airflow in racing. Hand-tool compatible for track use.
Allstar Performance ALL26187 Restrictor Plate Inserts - 1.300 in ID - Aluminum - Natural - Allstar 1/2 in Restrictor Plate - Set of 4