well i never bought a single drift tire...all i use and used or have has been my own abs tires...what i do simply is buy the regular abs piping for about 6 bucks for 12 ft i believe it was
i but the rim im going to use nest to the pipe so i can have an idea width i need to use.
after that i use any old hack saw and a plastic guide and cut it....i pre mount the tires but only to check if its good enough width for the wheel (the sides are still diangled)
after that i take out the rim and then mount the abs tire on to a lathe, i use the lathe to flatin out both sides so it matches the rim how i want it
once im done with the flated/even sides i can now work on rounding off the edges for more effecient drifts and better looking too
once all 4 tires are shaped,even, and rounded i simlpy mount on the tires with a super thin double back tape and i slide on the rim
wala im done!...well this is what i do and is, lets say 45 minutes for a good set of wheels
