Allstar Performance base plate inserts, 1.050, 4pk, for 1in spacer, in race car induction systems. Enhances carb spacer fitment for better airflow in racing. Hand-tool compatible for track use.
Carburetor base plate inserts are 1.050 inch i.d and 1 inch tall. Sold as one set of 4 pieces. The inserts are designed for use with Allstar part 26060 adjustable carburetor base plate.