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@TheShodan

 

 

 

We need a closer shot of the sleeve material to tell you for sure. Does the sleeve appear to be the same color ??? Stock sleeves are only steel about .060" thick... which means you essentially have a "dark ring" close to the center of each cylinder bore and then a lighter outer aluminum sleeve surround. A "sleeved" block will be the same color all of the way through.

 

I concur with JRCivic1.. We have to see more. But I can say that After looking closer into this image, i can see something in the middle of the sleeve that appears to be a copper o-ring. But this block needs to be a little cleaner to be certain.

That's all I can/will comment on without more information and better images

 

 

After this FB post, this is definitely a block guard.

 

 

 

Did they paint the caps?

 

 

There were some signs of sleeves i thought i saw earlier and the after closer inspection of the other photos, the spacing outer sleve protector looks like a guard.

I dunno, you're gonna have to **** or get off to pot to find the real answer to this puzzle, my friend.

 

If there's ever doubt over this sort of thing, I always advise to err on the side of caution.

Pointless to try to save a few hundred dollars on a "sleeved" block to find out the walls aren't what was wanted or needed, and have wasted money on internals and assembly in the process of trying to make it work.

 

From the Facebook photos, I believe it is sleeved. I still haven't seen a close enough shot to say definitively that it is in fact sleeved, but based on these photos... I would say 80% sleeved. The blockguard portion appears to be segmented and that suggests that the sleeve and the blockguard are one piece per cylinder and are therefore likely machined into the block.