68 to 70 "Charger" sail panel emblems are the same LH/RH. Trivia note; There are LH and RH part#s in the parts book but Chrysler changed them to one part# many years ago.

68 and 70 Chargers have "Charger R/T" on the tail panel, 69 Chargers have "R/T" only. The 69 R/T is larger than the 68 & 70. Don't know if the 68 & 70 are interchangable or not.

The dash emblem was only used on 68 cars, not 69/70. AFAIK, the R/T was not used on Chargers, only Coronets. 68 Chargers had either the bullseye or the Dodge emblem. Popular opinion is that it was an early/late production thing. More dash emblem info in the link below (and the other link inside of it).

dash emblems