Kit Includes 2x 16mm coolant plugs and 1x 18mm coolant plug. These are required when replacing the stock VGT turbo on your 6.7L Cummins with a non-water cooled turbo like s300 or s400. They will block the coolant ports in the stock feed on the riser block and return on the firewall.
Diesel Auto Power
VGT Coolant Line Plug Kit for 6.7L Turbo Replacement
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