Autolite double platinum plugs? Also indexing?

quickford1 · 12-11-2012, 10:48 AM

To try to answer everybody at once I will try to explain the X plug. It was first used in Nascar because of ground straps burning off or breaking off, they are made by both Autolite& Champion in limited heat ranges and numbers .They are used by just about every team. They are available 708 tapered seat & 3/4 reach gasket seat. The best part is no need to index. These plugs are made in limited runs so are hard to get sometimes.
Rich

12-11-2012, 10:48 AM	#16
quickford1 Member Join Date: Aug 2008 Location: Davidson, NC Posts: 269 Likes: 537 Liked 20 Times in 12 Posts	Re: Autolite double platinum plugs? Also indexing? To try to answer everybody at once I will try to explain the X plug. It was first used in Nascar because of ground straps burning off or breaking off, they are made by both Autolite& Champion in limited heat ranges and numbers .They are used by just about every team. They are available 708 tapered seat & 3/4 reach gasket seat. The best part is no need to index. These plugs are made in limited runs so are hard to get sometimes. Rich

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