Yes, they will fit. The only fitment issues were with 02-03 vs 04-06 sentras. Any tail lights listed as "04-06 Sentra" will fit on any trim level: S, Special Edition, SE, LE, SE-R, and Spec V.
04 Spec V
Nismo: Cams, Cat-back, FSB, RSB. JWT Valve Springs, BSR. AEM CAI, MMI, B&M SS, UR pulley, 2JR Plenum, Fidanza 11lb. flywheel, Spec Stage 2 clutch. BR coilovers, 6K swift springs, Nismo wheels, Projector HIDs @ 6K, LED tails and LED turn signals
~170WHP w Cats intact, CARB-legal.