The Apollo was Buick's version of the GM X-Body. With an optional 350 cubic inch Buick small block, the Apollo packed a punch in a small package. Sharing running gear with the Chevy Nova, there are plenty of options if you want to take your Apollo to the next level.

Creates a considerably hotter spark that lets the flame expand more rapidly in the combustion chamber and a more complete and efficient burn of the air/fuel mixture