Acceptable Practice (Except ET Street R, ET Street R Bias and ET Street S/S) for rim widths is tread width plus or minus 1".
Warning: Do NOT use on dyno.
Important: All Bias drag drive tyres must be mactched to be within 1/2" roll out.
Never use rim screws on radial drag tyres.

Mickey Thompson Compound Selection Chart

Construction
ST......Suggested for manual transmissions (medium compound)
W.......Extra tread width (please note actual tread and section width on spec sheet)
S........Stiff sidewall construction aids in quicker reaction time due to less tire distortion. Also good in high horsepower applications and for heavy cars (Over 3,000 lbs)
R........Radial Construction

Compounds
L2.......For Jr. Dragsters
L4.......For Dragsters, lightweight vehicles and vehicles without rear suspension
L6.......Good for High Horsepower - Boosted Applications
L7.......For Motorcycles
L8.......Good Compound for General Use
M5......Good Compound for General Use
R1.......Special Compound for ET Drag Radial
R2.......Special Compound for ET Street S/S, ET Street R & ET Street Radial Pro
X5........Cooler running version of M5
X8........Cooler running version of L8