there are two versions of the 484/509 cam for
BB...108 and 114 center line

SB only shows the 484 cam with both Center lines available..

but my catalog is a couple years old

Tony

70 AARCuda Vitamin C
71 Dart Swinger 360 10.318 @ 128.22(10-04-14 Bakersfield)
71 Demon 360 10.666 @122.41 (01-29-17 @ Las Vegas)
71 Duster 408 (10.29 @ 127.86 3/16/19 Las Vegas)