Paper rocker cover gaskets for supercharged V6 commodore engines. These can be used on Ecotec non supercharged engines as well as L67 super charged engines, these will not work with the stock deep cut rocker covers that use the rubber gaskets. Price is for 4 pairs, bulk lots available. Holden V6 commodore Ecotech and super charged Buick engine paper rocker cover gaskets. Aussiespeed has addressed the problem with V-6 Buick engines with cracked plastic valve covers and now offer our own gaskets for the supercharged V6 commodore engines that use our Aussiespeed V6 commodore aluminum valve covers.