So, I had my original valve covers on the 340 for first start up (on right). Removed them to re-torque the heads (didn't need it, all stayed put) and reset the valves (not done yet). My buddy said these valve cover gaskets are the best thing since sliced bread, and I believe they are based on paying $58 and some change. But they are, per the instructions, not meant for the stamped valve covers because they have that groove in them that will not allow a "flat" seal to the...
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