Coil perches dont go on the truss, again, make one. Take your axle out, cut up some metal, weld it on. Its not hard to do, takes time but not hard. Generally a rear truss just goes over the pumpkin it doesnt run the full length of the axle. No need.
Platinum 5.9 2.25" engine pipes 3" Magnaflow cat, 3" Hooker Aerochamber, 3" tail pipe, Ported kegger, 52MM Throttle Body, 24lb injectors, K&N drop in filter, Cast JEEP valve covers, MSD coil and wires, All new 6 piece clear light kit, 255/65/16 General Grabber HTS, 242 conversion, XJ u-joint front axle shafts