put the 2 small tin pieces on the bolt(s) then the bolt/tin piece goes in/thru the large tin pieces, in other words the bolt goes thru the small tin piece then thru the large flat tin piece. Want the 1 pad to be loose as installed & file the ends if need be. The other pad with the 2 "L" mounting tabs you want to bend them (the L tabs) so you have to hammer tap that pad half in place so the pad is firmly secured to the caliper. Put disc brake quiet on the back side of the pads where there is contact. Clean the rotor/front pad faces with brake kleen. The "L" is referring to the left caliper which are side specific not the parts in the pic. FYI 76 A body calipers & FMJ calipers have a 2.75" bore & 73-75 A body calipers have 2.60" bore & you want the largest bore on the front you can get. Toss the rubber bands.