WATER TO AIR INTERCOOLER PLATE TO SUIT HOLDEN SUPERCHARGED L67 V6Our water to air intercooler plates are available separately to suit Holden factory supercharged 6 engines (L67 engines). This is about the thickest intercooler plate that you can install in your commodore without having to modify the firewall*, which is required with our mega blizzard installation, whist producing very similar power gains to that of the mega blizzard! Please note: This is the Intercooler Plate only, not a full Intercooler setup For