Sonic OEM Control Arms S What this does is allow

What this does is allow the spark to more quickly ignite the mixture

This is the part that holds the wastegate flapper closed until desired boost is achieved

however since it was designed to improve airflow

Please see below to determine the proper fitment for your car

These are genuine Bosch Green Giants

Sonic OEM Control Arms S What this does is allowThese are OEM AC Delco control arms for your 2012 2020 Chevrolet Sonic 1. 4L 1. 8L. If you are experiencing clunking or wandering in your front end the trailing control arm bushing often collapses and needs replacing. This arm includes leading and trailing control arm bushings as well as ball joint. SOLD INDIVIDUALLY. If you want to replace both you will need quantity of 1 of each side.