Description Rocker cover spacers 6mm for super charged v6 Buick ecotec Commodore v6 engines supplied with 4 x Aussiespeed paper rocker cover gaskets. These are cut on a CNC machine from premium aluminum plate. Can be used on both supercharged and non supercharged engines. Aussiespeed also have paper gaskets that can be used with our rocker covers and spacers on V-6 Commodore Buick engines. 6mm thick
