Outer Limits 4x4 Board

Trying to find out what the abbreviations stand for on the rancho tech chart for the end fittings for there shocks ie whats a LS1 and before anyone tells me i no its a dunnydoor v8 smart arses.
I need this info as im making new mounts so shock lenght dosent matter but i need to no what size pins to weld on the the size shock eyelets