Dorman Freeze Plug Size Chart. Most buyers found that the plug is a perfect fit for buick v6 block. Finally, the dorman freeze plug makes for a very nice good price and it works well for proper size.

They fit snug in the hole. I could not find any info on the correct size that is designed for the turbo, so i measured the hole and looked at the dorman chart with part numbers and purchased this size. Finally, the dorman freeze plug makes for a very nice good price and it works well for proper size.