These pistons are for an AMC 360 but were discontinued 20-ish years ago from what I've been told. I'm looking for the specs but haven't been able to find any information.

Anyone know where I can find the specs for these?

Found a bit of info on a jeep forum JEEP FORUM

might want to snoop around jeep engine builders and or forums, or find an old MP catalog from that era

Thanks for the link and the idea. I had seen that thread but unfortunately it doesn't list compression height. I was going to try and calculate compression with these, without actual measurements (depth in hole, cc heads). I adopted a complete, rebuilt 360 with these pistons (used a bore scope to see part number those spark plug hole). I may just tear the engine apart and measure, probably a good idea anyway since I didn't bolt it together.

It's been 7 months so I thought I would bring this back up to the top.

I've googled this but haven't found much. Anyone have any other information they could share? Maybe you have an old Mopar Performance catalog that covers the AMCs?

I have a 2002 MP catalog , nothing in it .

If the number is stamped on the piston, it's more than likely just an engineering number.

The packaged kit with wrist pins and a decal, most times (not always)....would fall under a different, unrelated part number.

It Can be difficult to figure out.

If it is a forging, most of the ancient P5249 series were supplied by Wiseco, and Wiseco may still have some data on them