I believe that's correct. I don't know if the repops have the same features, but they look different. There are lefts and rights also, but apparently only for the front bracket.

Just measured mine on my chassis. Front is ~18.5" frame to end, Center is ~17.5" and rear is ~15"


Kevin
1951 Chevy 3100 work truck
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1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.