Anyone needing a new set of Billboards?

[ERA Chas]

That diagram above is correct and they are directional.
Mine came from RKR and all came with a small, hand-painted letter and arrow-which matches Doug's post.
See just after the large 'R':

[Donunder]

Originally Posted by ERA Chas

That diagram above is correct and they are directional.
Mine came from RKR and all came with a small, hand-painted letter and arrow-which matches Doug's post.
See just after the large 'R':

Chas I think I'd need more convincing than an oil pen marking that these tyres are directional. Unless there's some information actually moulded into the tyre's sidewall, that mark could mean anything. Maybe the tyre technician simply marked the tyre to make sure he put it back onto the left rear rim. I doubt that sort of mark would be ex-factory.

And just as an aside.... it's been a long while since I had my Austin Healey 3000 with its wire wheels and knockoffs, and maybe my memory is hazy, but is that safety wire on your wheel spinner pulling the right way? I seem to remember that left hand side spinners tightened in a clockwise direction.

[ERA Chas]

Originally Posted by Donunder

Chas I think I'd need more convincing than an oil pen marking that these tyres are directional.

See here and open the PDF.
Roger Kraus Racing - More Information
You are free to ignore RKR's mount instructions. The racers who buy his tires do not.
I swapped my rear hubs side for side.

[Mike Bartlett]

I was told the same thing when I had mine mounted by Roger Kraus Racing and was unaware as well. Brandon, the son's owner, stated it becuase of the way the ply's are laid out and if backwards meaning wrong tire on the wrong side the ply end could have a small ridge which would contact the ground on the face of that ridge rather than the back side. Kinda of like a wave in the ocean you want the back side of the wave hitting the ground first not the front or face of the wave. Yes the bar code reflects the outside of the tire.

Another idea is to place a small mark on the edge of each rear tire right near the rim and another small mark on the actual rim. I was told that if you hit the pedal hard enough you can spin the rim within the tire beed, meaning your two marks will no longer line up, if this happens your tire can become unbalanced. If you have them marked you can keep an eye on this. I think its only for the first few hundred miles/heat cycles that this can happen.

Love the tires thanks a bunch Nick!

Mike