they were off my friends Lh A9X Holden torana, that i mini tubed for him
to make them fit better on his car.
The simmons fit the wheel tubs on the challenger, but the springs would have to be moved inboard
of the rails, I didnt want to do the mod to my challenger, i have to say that the big 15 inch tyres
are my favorite look on the car, they didnt have a big side wall which made it look better.