No they will not work.
Doing a 1 min Google search produced the rod length of both the 2JZGTE and 7MGTE, 7M has a 10mm longer rod.
For Toyota Supra 2JZ 2JZ-GE/GTE Engine H-Beam Connecting Rods & Conrods
Fit for For Toyota Supra 2JZ 2JZ-GE/GTE Engine
Center to center length 142mm
Big end diameter 55mm
Small end diameter 22mm
Toyota 7MGTE Connecting Rods Main Sizes
Center to Center Length: 151.89mm/5.980"
02' MT w/MK3 Supra LSD and no sunroof