Possible 86 ssp shortblock ( not mine )

[FoxChassis]

Originally Posted by FHP813

There is no way to differentiate that from a "non SSP" 5.0 shortblock they are both the same.

Mechanically they're the same but all blocks have a partial VIN stamped on them, so they can be matched to one specific car. If you know the VIN was from an SSP, you know the block was from an SSP.