I have 1 Firestone Drag Racing D5025 inner tube, new in unopened box, fits following sizes of drag slicks:
10.5 x 28.5 - 15
10.5 x 30.5 - 15
11.5 x 29.5 - 15
10.5 x 29.5 - 15
11.5 x 28.5 - 15
11.5 x 29.5 - 15
Sold to me for my 13 x 31 - 15, supposed to fit that size as well.
Has always been stored in climate-controlled garage.
#s on box are 7A-511-J7-E11 and 534-285, valve TR218NRB.
Jeg's & Summit prices are $70-$80 + shipping, how about $35 + $25 shipping (too big for USPS PM box) = $60 to your door in the US ?
PayPal or MO OK.
PM me here or email topside340@yahoo.com